245552580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 384

約数和(自身を含む): 993484800

約数和(自身を除く): 747932220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 27, 28, 30, 35, 36, 38, 39, 42, 45, 52, 54, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 108, 114, 117, 126, 130, 133, 135, 140, 156, 171, 180, 182, 189, 190, 195, 210, 228, 234, 247, 252, 260, 263, 266, 270, 273, 285, 315, 342, 351, 364, 378, 380, 390, 399, 420, 455, 468, 494, 513, 526, 532, 540, 546, 570, 585, 630, 665, 684, 702, 741, 756, 780, 789, 798, 819, 855, 910, 945, 988, 1026, 1052, 1092, 1140, 1170, 1197, 1235, 1260, 1315, 1330, 1365, 1404, 1482, 1578, 1596, 1638, 1710, 1729, 1755, 1820, 1841, 1890, 1995, 2052, 2223, 2340, 2367, 2394, 2457, 2470, 2565, 2630, 2660, 2730, 2964, 3156, 3276, 3419, 3420, 3458, 3510, 3591, 3682, 3705, 3780, 3945, 3990, 4095, 4446, 4734, 4788, 4914, 4940, 4997, 5130, 5187, 5260, 5460, 5523, 5985, 6669, 6838, 6916, 7020, 7101, 7182, 7364, 7410, 7890, 7980, 8190, 8645, 8892, 9205, 9468, 9828, 9994, 10257, 10260, 10374, 11046, 11115, 11835, 11970, 12285, 13338, 13676, 14202, 14364, 14820, 14991, 15561, 15780, 16380, 16569, 17095, 17290, 17955, 18410, 19988, 20514, 20748, 22092, 22230, 23670, 23933, 23940, 24570, 24985, 25935, 26676, 27615, 28404, 29982, 30771, 31122, 33138, 33345, 34190, 34580, 34979, 35505, 35910, 36820, 41028, 44460, 44973, 46683, 47340, 47866, 49140, 49707, 49970, 51285, 51870, 55230, 59964, 61542, 62244, 64961, 66276, 66690, 68380, 69958, 71010, 71799, 71820, 74955, 77805, 82845, 89946, 92313, 93366, 95732, 99414, 99940, 102570, 103740, 104937, 110460, 119665, 123084, 129922, 133380, 134919, 139916, 142020, 143598, 149910, 153855, 155610, 165690, 174895, 179892, 184626, 186732, 194883, 198828, 205140, 209874, 215397, 224865, 233415, 239330, 248535, 259844, 269838, 287196, 299820, 307710, 311220, 314811, 324805, 331380, 349790, 358995, 369252, 389766, 419748, 430794, 449730, 454727, 461565, 466830, 478660, 497070, 524685, 539676, 584649, 615420, 629622, 646191, 649610, 674595, 699580, 717990, 779532, 861588, 899460, 909454, 923130, 933660, 944433, 974415, 994140, 1049370, 1076985, 1169298, 1259244, 1292382, 1299220, 1349190, 1364181, 1435980, 1574055, 1753947, 1818908, 1846260, 1888866, 1948830, 2098740, 2153970, 2273635, 2338596, 2584764, 2698380, 2728362, 2923245, 3148110, 3230955, 3507894, 3777732, 3897660, 4092543, 4307940, 4547270, 4722165, 5456724, 5846490, 6296220, 6461910, 6820905, 7015788, 8185086, 8769735, 9094540, 9444330, 11692980, 12277629, 12923820, 13641810, 16370172, 17539470, 18888660, 20462715, 24555258, 27283620, 35078940, 40925430, 49110516, 61388145, 81850860, 122776290, 245552580]

約数ペア:

[(1, 245552580), (2, 122776290), (3, 81850860), (4, 61388145), (5, 49110516), (6, 40925430), (7, 35078940), (9, 27283620), (10, 24555258), (12, 20462715), (13, 18888660), (14, 17539470), (15, 16370172), (18, 13641810), (19, 12923820), (20, 12277629), (21, 11692980), (26, 9444330), (27, 9094540), (28, 8769735), (30, 8185086), (35, 7015788), (36, 6820905), (38, 6461910), (39, 6296220), (42, 5846490), (45, 5456724), (52, 4722165), (54, 4547270), (57, 4307940), (60, 4092543), (63, 3897660), (65, 3777732), (70, 3507894), (76, 3230955), (78, 3148110), (84, 2923245), (90, 2728362), (91, 2698380), (95, 2584764), (105, 2338596), (108, 2273635), (114, 2153970), (117, 2098740), (126, 1948830), (130, 1888866), (133, 1846260), (135, 1818908), (140, 1753947), (156, 1574055), (171, 1435980), (180, 1364181), (182, 1349190), (189, 1299220), (190, 1292382), (195, 1259244), (210, 1169298), (228, 1076985), (234, 1049370), (247, 994140), (252, 974415), (260, 944433), (263, 933660), (266, 923130), (270, 909454), (273, 899460), (285, 861588), (315, 779532), (342, 717990), (351, 699580), (364, 674595), (378, 649610), (380, 646191), (390, 629622), (399, 615420), (420, 584649), (455, 539676), (468, 524685), (494, 497070), (513, 478660), (526, 466830), (532, 461565), (540, 454727), (546, 449730), (570, 430794), (585, 419748), (630, 389766), (665, 369252), (684, 358995), (702, 349790), (741, 331380), (756, 324805), (780, 314811), (789, 311220), (798, 307710), (819, 299820), (855, 287196), (910, 269838), (945, 259844), (988, 248535), (1026, 239330), (1052, 233415), (1092, 224865), (1140, 215397), (1170, 209874), (1197, 205140), (1235, 198828), (1260, 194883), (1315, 186732), (1330, 184626), (1365, 179892), (1404, 174895), (1482, 165690), (1578, 155610), (1596, 153855), (1638, 149910), (1710, 143598), (1729, 142020), (1755, 139916), (1820, 134919), (1841, 133380), (1890, 129922), (1995, 123084), (2052, 119665), (2223, 110460), (2340, 104937), (2367, 103740), (2394, 102570), (2457, 99940), (2470, 99414), (2565, 95732), (2630, 93366), (2660, 92313), (2730, 89946), (2964, 82845), (3156, 77805), (3276, 74955), (3419, 71820), (3420, 71799), (3458, 71010), (3510, 69958), (3591, 68380), (3682, 66690), (3705, 66276), (3780, 64961), (3945, 62244), (3990, 61542), (4095, 59964), (4446, 55230), (4734, 51870), (4788, 51285), (4914, 49970), (4940, 49707), (4997, 49140), (5130, 47866), (5187, 47340), (5260, 46683), (5460, 44973), (5523, 44460), (5985, 41028), (6669, 36820), (6838, 35910), (6916, 35505), (7020, 34979), (7101, 34580), (7182, 34190), (7364, 33345), (7410, 33138), (7890, 31122), (7980, 30771), (8190, 29982), (8645, 28404), (8892, 27615), (9205, 26676), (9468, 25935), (9828, 24985), (9994, 24570), (10257, 23940), (10260, 23933), (10374, 23670), (11046, 22230), (11115, 22092), (11835, 20748), (11970, 20514), (12285, 19988), (13338, 18410), (13676, 17955), (14202, 17290), (14364, 17095), (14820, 16569), (14991, 16380), (15561, 15780)]