78269880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 255467520

約数和(自身を除く): 177197640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 131, 156, 195, 260, 262, 312, 383, 390, 393, 520, 524, 655, 766, 780, 786, 1048, 1149, 1310, 1532, 1560, 1572, 1703, 1915, 1965, 2298, 2620, 3064, 3144, 3406, 3830, 3930, 4596, 4979, 5109, 5240, 5745, 6812, 7660, 7860, 8515, 9192, 9958, 10218, 11490, 13624, 14937, 15320, 15720, 17030, 19916, 20436, 22980, 24895, 25545, 29874, 34060, 39832, 40872, 45960, 49790, 50173, 51090, 59748, 68120, 74685, 99580, 100346, 102180, 119496, 149370, 150519, 199160, 200692, 204360, 250865, 298740, 301038, 401384, 501730, 597480, 602076, 652249, 752595, 1003460, 1204152, 1304498, 1505190, 1956747, 2006920, 2608996, 3010380, 3261245, 3913494, 5217992, 6020760, 6522490, 7826988, 9783735, 13044980, 15653976, 19567470, 26089960, 39134940, 78269880]

約数ペア:

[(1, 78269880), (2, 39134940), (3, 26089960), (4, 19567470), (5, 15653976), (6, 13044980), (8, 9783735), (10, 7826988), (12, 6522490), (13, 6020760), (15, 5217992), (20, 3913494), (24, 3261245), (26, 3010380), (30, 2608996), (39, 2006920), (40, 1956747), (52, 1505190), (60, 1304498), (65, 1204152), (78, 1003460), (104, 752595), (120, 652249), (130, 602076), (131, 597480), (156, 501730), (195, 401384), (260, 301038), (262, 298740), (312, 250865), (383, 204360), (390, 200692), (393, 199160), (520, 150519), (524, 149370), (655, 119496), (766, 102180), (780, 100346), (786, 99580), (1048, 74685), (1149, 68120), (1310, 59748), (1532, 51090), (1560, 50173), (1572, 49790), (1703, 45960), (1915, 40872), (1965, 39832), (2298, 34060), (2620, 29874), (3064, 25545), (3144, 24895), (3406, 22980), (3830, 20436), (3930, 19916), (4596, 17030), (4979, 15720), (5109, 15320), (5240, 14937), (5745, 13624), (6812, 11490), (7660, 10218), (7860, 9958), (8515, 9192)]