78649740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 284356800

約数和(自身を除く): 205707060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 29, 30, 36, 38, 39, 45, 52, 57, 58, 60, 61, 65, 76, 78, 87, 90, 95, 114, 116, 117, 122, 130, 145, 156, 171, 174, 180, 183, 190, 195, 228, 234, 244, 247, 260, 261, 285, 290, 305, 342, 348, 366, 377, 380, 390, 435, 468, 494, 522, 549, 551, 570, 580, 585, 610, 684, 732, 741, 754, 780, 793, 855, 870, 915, 988, 1044, 1098, 1102, 1131, 1140, 1159, 1170, 1220, 1235, 1305, 1482, 1508, 1586, 1653, 1710, 1740, 1769, 1830, 1885, 2196, 2204, 2223, 2262, 2318, 2340, 2379, 2470, 2610, 2745, 2755, 2964, 3172, 3306, 3393, 3420, 3477, 3538, 3660, 3705, 3770, 3965, 4446, 4524, 4636, 4758, 4940, 4959, 5220, 5307, 5490, 5510, 5655, 5795, 6612, 6786, 6954, 7076, 7137, 7163, 7410, 7540, 7930, 8265, 8845, 8892, 9516, 9918, 10431, 10614, 10980, 11020, 11115, 11310, 11590, 11895, 13572, 13908, 14274, 14326, 14820, 15067, 15860, 15921, 16530, 16965, 17385, 17690, 19836, 20862, 21228, 21489, 22230, 22620, 22997, 23180, 23790, 24795, 26535, 28548, 28652, 30134, 31842, 33060, 33611, 33930, 34770, 35380, 35685, 35815, 41724, 42978, 44460, 45201, 45994, 47580, 49590, 52155, 53070, 60268, 63684, 64467, 67222, 67860, 68991, 69540, 71370, 71630, 75335, 79605, 85956, 90402, 91988, 99180, 100833, 104310, 106140, 107445, 114985, 128934, 134444, 135603, 137982, 142740, 143260, 150670, 159210, 168055, 180804, 201666, 206973, 208620, 214890, 226005, 229970, 257868, 271206, 275964, 301340, 302499, 318420, 322335, 336110, 344955, 403332, 413946, 429780, 436943, 452010, 459940, 504165, 542412, 604998, 644670, 672220, 678015, 689910, 827892, 873886, 904020, 1008330, 1034865, 1209996, 1289340, 1310829, 1356030, 1379820, 1512495, 1747772, 2016660, 2069730, 2184715, 2621658, 2712060, 3024990, 3932487, 4139460, 4369430, 5243316, 6049980, 6554145, 7864974, 8738860, 13108290, 15729948, 19662435, 26216580, 39324870, 78649740]

約数ペア:

[(1, 78649740), (2, 39324870), (3, 26216580), (4, 19662435), (5, 15729948), (6, 13108290), (9, 8738860), (10, 7864974), (12, 6554145), (13, 6049980), (15, 5243316), (18, 4369430), (19, 4139460), (20, 3932487), (26, 3024990), (29, 2712060), (30, 2621658), (36, 2184715), (38, 2069730), (39, 2016660), (45, 1747772), (52, 1512495), (57, 1379820), (58, 1356030), (60, 1310829), (61, 1289340), (65, 1209996), (76, 1034865), (78, 1008330), (87, 904020), (90, 873886), (95, 827892), (114, 689910), (116, 678015), (117, 672220), (122, 644670), (130, 604998), (145, 542412), (156, 504165), (171, 459940), (174, 452010), (180, 436943), (183, 429780), (190, 413946), (195, 403332), (228, 344955), (234, 336110), (244, 322335), (247, 318420), (260, 302499), (261, 301340), (285, 275964), (290, 271206), (305, 257868), (342, 229970), (348, 226005), (366, 214890), (377, 208620), (380, 206973), (390, 201666), (435, 180804), (468, 168055), (494, 159210), (522, 150670), (549, 143260), (551, 142740), (570, 137982), (580, 135603), (585, 134444), (610, 128934), (684, 114985), (732, 107445), (741, 106140), (754, 104310), (780, 100833), (793, 99180), (855, 91988), (870, 90402), (915, 85956), (988, 79605), (1044, 75335), (1098, 71630), (1102, 71370), (1131, 69540), (1140, 68991), (1159, 67860), (1170, 67222), (1220, 64467), (1235, 63684), (1305, 60268), (1482, 53070), (1508, 52155), (1586, 49590), (1653, 47580), (1710, 45994), (1740, 45201), (1769, 44460), (1830, 42978), (1885, 41724), (2196, 35815), (2204, 35685), (2223, 35380), (2262, 34770), (2318, 33930), (2340, 33611), (2379, 33060), (2470, 31842), (2610, 30134), (2745, 28652), (2755, 28548), (2964, 26535), (3172, 24795), (3306, 23790), (3393, 23180), (3420, 22997), (3477, 22620), (3538, 22230), (3660, 21489), (3705, 21228), (3770, 20862), (3965, 19836), (4446, 17690), (4524, 17385), (4636, 16965), (4758, 16530), (4940, 15921), (4959, 15860), (5220, 15067), (5307, 14820), (5490, 14326), (5510, 14274), (5655, 13908), (5795, 13572), (6612, 11895), (6786, 11590), (6954, 11310), (7076, 11115), (7137, 11020), (7163, 10980), (7410, 10614), (7540, 10431), (7930, 9918), (8265, 9516), (8845, 8892)]