1440984780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{258241}}^1$

素因数の和:258287

約数の個数: 72

約数和(自身を含む): 4512004224

約数和(自身を除く): 3071019444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 258241, 516482, 774723, 1032964, 1291205, 1549446, 2324169, 2582410, 3098892, 3873615, 4648338, 5164820, 7747230, 8005471, 9296676, 11620845, 15494460, 16010942, 23241690, 24016413, 32021884, 40027355, 46483380, 48032826, 72049239, 80054710, 96065652, 120082065, 144098478, 160109420, 240164130, 288196956, 360246195, 480328260, 720492390, 1440984780]

約数ペア:

[(1, 1440984780), (2, 720492390), (3, 480328260), (4, 360246195), (5, 288196956), (6, 240164130), (9, 160109420), (10, 144098478), (12, 120082065), (15, 96065652), (18, 80054710), (20, 72049239), (30, 48032826), (31, 46483380), (36, 40027355), (45, 32021884), (60, 24016413), (62, 23241690), (90, 16010942), (93, 15494460), (124, 11620845), (155, 9296676), (180, 8005471), (186, 7747230), (279, 5164820), (310, 4648338), (372, 3873615), (465, 3098892), (558, 2582410), (620, 2324169), (930, 1549446), (1116, 1291205), (1395, 1032964), (1860, 774723), (2790, 516482), (5580, 258241)]