1440661760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36307}}^1$

素因数の和:36359

約数の個数: 72

約数和(自身を含む): 3562250496

約数和(自身を除く): 2121588736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 36307, 39680, 72614, 145228, 181535, 290456, 363070, 580912, 726140, 1125517, 1161824, 1452280, 2251034, 2323648, 2904560, 4502068, 4647296, 5627585, 5809120, 9004136, 9294592, 11255170, 11618240, 18008272, 22510340, 23236480, 36016544, 45020680, 46472960, 72033088, 90041360, 144066176, 180082720, 288132352, 360165440, 720330880, 1440661760]

約数ペア:

[(1, 1440661760), (2, 720330880), (4, 360165440), (5, 288132352), (8, 180082720), (10, 144066176), (16, 90041360), (20, 72033088), (31, 46472960), (32, 45020680), (40, 36016544), (62, 23236480), (64, 22510340), (80, 18008272), (124, 11618240), (128, 11255170), (155, 9294592), (160, 9004136), (248, 5809120), (256, 5627585), (310, 4647296), (320, 4502068), (496, 2904560), (620, 2323648), (640, 2251034), (992, 1452280), (1240, 1161824), (1280, 1125517), (1984, 726140), (2480, 580912), (3968, 363070), (4960, 290456), (7936, 181535), (9920, 145228), (19840, 72614), (36307, 39680)]