331497180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 288

約数和(自身を含む): 1234920960

約数和(自身を除く): 903423780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 61, 63, 70, 76, 84, 90, 95, 105, 114, 122, 126, 133, 140, 171, 180, 183, 190, 210, 227, 228, 244, 252, 266, 285, 305, 315, 342, 366, 380, 399, 420, 427, 454, 532, 549, 570, 610, 630, 665, 681, 684, 732, 798, 854, 855, 908, 915, 1098, 1135, 1140, 1159, 1197, 1220, 1260, 1281, 1330, 1362, 1589, 1596, 1708, 1710, 1830, 1995, 2043, 2135, 2196, 2270, 2318, 2394, 2562, 2660, 2724, 2745, 3178, 3405, 3420, 3477, 3660, 3843, 3990, 4086, 4270, 4313, 4540, 4636, 4767, 4788, 5124, 5490, 5795, 5985, 6356, 6405, 6810, 6954, 7686, 7945, 7980, 8113, 8172, 8540, 8626, 9534, 10215, 10431, 10980, 11590, 11970, 12810, 12939, 13620, 13847, 13908, 14301, 15372, 15890, 16226, 17252, 17385, 19068, 19215, 20430, 20862, 21565, 23180, 23835, 23940, 24339, 25620, 25878, 27694, 28602, 30191, 31780, 32452, 34770, 38430, 38817, 40565, 40860, 41541, 41724, 43130, 47670, 48678, 51756, 52155, 55388, 57204, 60382, 64695, 69235, 69540, 71505, 73017, 76860, 77634, 81130, 83082, 86260, 90573, 95340, 96929, 97356, 104310, 120764, 121695, 124623, 129390, 138470, 143010, 146034, 150955, 155268, 162260, 166164, 181146, 193858, 194085, 207705, 208620, 243390, 249246, 258780, 263093, 271719, 276940, 286020, 290787, 292068, 301910, 362292, 365085, 387716, 388170, 415410, 452865, 484645, 486780, 498492, 526186, 543438, 581574, 603820, 623115, 730170, 776340, 789279, 830820, 872361, 905730, 969290, 1052372, 1086876, 1163148, 1246230, 1315465, 1358595, 1453935, 1460340, 1578558, 1744722, 1811460, 1841651, 1938580, 2367837, 2492460, 2630930, 2717190, 2907870, 3157116, 3489444, 3683302, 3946395, 4361805, 4735674, 5261860, 5434380, 5524953, 5815740, 7366604, 7892790, 8723610, 9208255, 9471348, 11049906, 11839185, 15785580, 16574859, 17447220, 18416510, 22099812, 23678370, 27624765, 33149718, 36833020, 47356740, 55249530, 66299436, 82874295, 110499060, 165748590, 331497180]

約数ペア:

[(1, 331497180), (2, 165748590), (3, 110499060), (4, 82874295), (5, 66299436), (6, 55249530), (7, 47356740), (9, 36833020), (10, 33149718), (12, 27624765), (14, 23678370), (15, 22099812), (18, 18416510), (19, 17447220), (20, 16574859), (21, 15785580), (28, 11839185), (30, 11049906), (35, 9471348), (36, 9208255), (38, 8723610), (42, 7892790), (45, 7366604), (57, 5815740), (60, 5524953), (61, 5434380), (63, 5261860), (70, 4735674), (76, 4361805), (84, 3946395), (90, 3683302), (95, 3489444), (105, 3157116), (114, 2907870), (122, 2717190), (126, 2630930), (133, 2492460), (140, 2367837), (171, 1938580), (180, 1841651), (183, 1811460), (190, 1744722), (210, 1578558), (227, 1460340), (228, 1453935), (244, 1358595), (252, 1315465), (266, 1246230), (285, 1163148), (305, 1086876), (315, 1052372), (342, 969290), (366, 905730), (380, 872361), (399, 830820), (420, 789279), (427, 776340), (454, 730170), (532, 623115), (549, 603820), (570, 581574), (610, 543438), (630, 526186), (665, 498492), (681, 486780), (684, 484645), (732, 452865), (798, 415410), (854, 388170), (855, 387716), (908, 365085), (915, 362292), (1098, 301910), (1135, 292068), (1140, 290787), (1159, 286020), (1197, 276940), (1220, 271719), (1260, 263093), (1281, 258780), (1330, 249246), (1362, 243390), (1589, 208620), (1596, 207705), (1708, 194085), (1710, 193858), (1830, 181146), (1995, 166164), (2043, 162260), (2135, 155268), (2196, 150955), (2270, 146034), (2318, 143010), (2394, 138470), (2562, 129390), (2660, 124623), (2724, 121695), (2745, 120764), (3178, 104310), (3405, 97356), (3420, 96929), (3477, 95340), (3660, 90573), (3843, 86260), (3990, 83082), (4086, 81130), (4270, 77634), (4313, 76860), (4540, 73017), (4636, 71505), (4767, 69540), (4788, 69235), (5124, 64695), (5490, 60382), (5795, 57204), (5985, 55388), (6356, 52155), (6405, 51756), (6810, 48678), (6954, 47670), (7686, 43130), (7945, 41724), (7980, 41541), (8113, 40860), (8172, 40565), (8540, 38817), (8626, 38430), (9534, 34770), (10215, 32452), (10431, 31780), (10980, 30191), (11590, 28602), (11970, 27694), (12810, 25878), (12939, 25620), (13620, 24339), (13847, 23940), (13908, 23835), (14301, 23180), (15372, 21565), (15890, 20862), (16226, 20430), (17252, 19215), (17385, 19068)]