84321520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 205085088

約数和(自身を除く): 120763568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 61, 74, 80, 122, 148, 185, 244, 296, 305, 370, 467, 488, 592, 610, 740, 934, 976, 1220, 1480, 1868, 2257, 2335, 2440, 2960, 3736, 4514, 4670, 4880, 7472, 9028, 9340, 11285, 17279, 18056, 18680, 22570, 28487, 34558, 36112, 37360, 45140, 56974, 69116, 86395, 90280, 113948, 138232, 142435, 172790, 180560, 227896, 276464, 284870, 345580, 455792, 569740, 691160, 1054019, 1139480, 1382320, 2108038, 2278960, 4216076, 5270095, 8432152, 10540190, 16864304, 21080380, 42160760, 84321520]

約数ペア:

[(1, 84321520), (2, 42160760), (4, 21080380), (5, 16864304), (8, 10540190), (10, 8432152), (16, 5270095), (20, 4216076), (37, 2278960), (40, 2108038), (61, 1382320), (74, 1139480), (80, 1054019), (122, 691160), (148, 569740), (185, 455792), (244, 345580), (296, 284870), (305, 276464), (370, 227896), (467, 180560), (488, 172790), (592, 142435), (610, 138232), (740, 113948), (934, 90280), (976, 86395), (1220, 69116), (1480, 56974), (1868, 45140), (2257, 37360), (2335, 36112), (2440, 34558), (2960, 28487), (3736, 22570), (4514, 18680), (4670, 18056), (4880, 17279), (7472, 11285), (9028, 9340)]