639641160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21407}}^1$

素因数の和:21507

約数の個数: 96

約数和(自身を含む): 2103978240

約数和(自身を除く): 1464337080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 664, 747, 830, 996, 1245, 1494, 1660, 1992, 2490, 2988, 3320, 3735, 4980, 5976, 7470, 9960, 14940, 21407, 29880, 42814, 64221, 85628, 107035, 128442, 171256, 192663, 214070, 256884, 321105, 385326, 428140, 513768, 642210, 770652, 856280, 963315, 1284420, 1541304, 1776781, 1926630, 2568840, 3553562, 3853260, 5330343, 7107124, 7706520, 8883905, 10660686, 14214248, 15991029, 17767810, 21321372, 26651715, 31982058, 35535620, 42642744, 53303430, 63964116, 71071240, 79955145, 106606860, 127928232, 159910290, 213213720, 319820580, 639641160]

約数ペア:

[(1, 639641160), (2, 319820580), (3, 213213720), (4, 159910290), (5, 127928232), (6, 106606860), (8, 79955145), (9, 71071240), (10, 63964116), (12, 53303430), (15, 42642744), (18, 35535620), (20, 31982058), (24, 26651715), (30, 21321372), (36, 17767810), (40, 15991029), (45, 14214248), (60, 10660686), (72, 8883905), (83, 7706520), (90, 7107124), (120, 5330343), (166, 3853260), (180, 3553562), (249, 2568840), (332, 1926630), (360, 1776781), (415, 1541304), (498, 1284420), (664, 963315), (747, 856280), (830, 770652), (996, 642210), (1245, 513768), (1494, 428140), (1660, 385326), (1992, 321105), (2490, 256884), (2988, 214070), (3320, 192663), (3735, 171256), (4980, 128442), (5976, 107035), (7470, 85628), (9960, 64221), (14940, 42814), (21407, 29880)]