721234530

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28723}}^1$

素因数の和:28773

約数の個数: 80

約数和(自身を含む): 2001947904

約数和(自身を除く): 1280713374

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2790, 4185, 5022, 8370, 12555, 25110, 28723, 57446, 86169, 143615, 172338, 258507, 287230, 430845, 517014, 775521, 861690, 890413, 1292535, 1551042, 1780826, 2326563, 2585070, 2671239, 3877605, 4452065, 4653126, 5342478, 7755210, 8013717, 8904130, 11632815, 13356195, 16027434, 23265630, 24041151, 26712390, 40068585, 48082302, 72123453, 80137170, 120205755, 144246906, 240411510, 360617265, 721234530]

約数ペア:

[(1, 721234530), (2, 360617265), (3, 240411510), (5, 144246906), (6, 120205755), (9, 80137170), (10, 72123453), (15, 48082302), (18, 40068585), (27, 26712390), (30, 24041151), (31, 23265630), (45, 16027434), (54, 13356195), (62, 11632815), (81, 8904130), (90, 8013717), (93, 7755210), (135, 5342478), (155, 4653126), (162, 4452065), (186, 3877605), (270, 2671239), (279, 2585070), (310, 2326563), (405, 1780826), (465, 1551042), (558, 1292535), (810, 890413), (837, 861690), (930, 775521), (1395, 517014), (1674, 430845), (2511, 287230), (2790, 258507), (4185, 172338), (5022, 143615), (8370, 86169), (12555, 57446), (25110, 28723)]