1656339920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2389

約数の個数: 120

約数和(自身を含む): 4224634368

約数和(自身を除く): 2568294448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 289, 310, 340, 496, 527, 578, 620, 680, 1054, 1156, 1240, 1360, 1445, 2108, 2311, 2312, 2480, 2635, 2890, 4216, 4622, 4624, 5270, 5780, 8432, 8959, 9244, 10540, 11555, 11560, 17918, 18488, 21080, 23110, 23120, 35836, 36976, 39287, 42160, 44795, 46220, 71641, 71672, 78574, 89590, 92440, 143282, 143344, 157148, 179180, 184880, 196435, 286564, 314296, 358205, 358360, 392870, 573128, 628592, 667879, 716410, 716720, 785740, 1146256, 1217897, 1335758, 1432820, 1571480, 2435794, 2671516, 2865640, 3142960, 3339395, 4871588, 5343032, 5731280, 6089485, 6678790, 9743176, 10686064, 12178970, 13357580, 19486352, 20704249, 24357940, 26715160, 41408498, 48715880, 53430320, 82816996, 97431760, 103521245, 165633992, 207042490, 331267984, 414084980, 828169960, 1656339920]

約数ペア:

[(1, 1656339920), (2, 828169960), (4, 414084980), (5, 331267984), (8, 207042490), (10, 165633992), (16, 103521245), (17, 97431760), (20, 82816996), (31, 53430320), (34, 48715880), (40, 41408498), (62, 26715160), (68, 24357940), (80, 20704249), (85, 19486352), (124, 13357580), (136, 12178970), (155, 10686064), (170, 9743176), (248, 6678790), (272, 6089485), (289, 5731280), (310, 5343032), (340, 4871588), (496, 3339395), (527, 3142960), (578, 2865640), (620, 2671516), (680, 2435794), (1054, 1571480), (1156, 1432820), (1240, 1335758), (1360, 1217897), (1445, 1146256), (2108, 785740), (2311, 716720), (2312, 716410), (2480, 667879), (2635, 628592), (2890, 573128), (4216, 392870), (4622, 358360), (4624, 358205), (5270, 314296), (5780, 286564), (8432, 196435), (8959, 184880), (9244, 179180), (10540, 157148), (11555, 143344), (11560, 143282), (17918, 92440), (18488, 89590), (21080, 78574), (23110, 71672), (23120, 71641), (35836, 46220), (36976, 44795), (39287, 42160)]