721492080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{23671}}^1$

素因数の和:23814

約数の個数: 80

約数和(自身を含む): 2254331904

約数和(自身を除く): 1532839824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240, 23671, 30480, 47342, 71013, 94684, 118355, 142026, 189368, 236710, 284052, 355065, 378736, 473420, 568104, 710130, 946840, 1136208, 1420260, 1893680, 2840520, 3006217, 5681040, 6012434, 9018651, 12024868, 15031085, 18037302, 24049736, 30062170, 36074604, 45093255, 48099472, 60124340, 72149208, 90186510, 120248680, 144298416, 180373020, 240497360, 360746040, 721492080]

約数ペア:

[(1, 721492080), (2, 360746040), (3, 240497360), (4, 180373020), (5, 144298416), (6, 120248680), (8, 90186510), (10, 72149208), (12, 60124340), (15, 48099472), (16, 45093255), (20, 36074604), (24, 30062170), (30, 24049736), (40, 18037302), (48, 15031085), (60, 12024868), (80, 9018651), (120, 6012434), (127, 5681040), (240, 3006217), (254, 2840520), (381, 1893680), (508, 1420260), (635, 1136208), (762, 946840), (1016, 710130), (1270, 568104), (1524, 473420), (1905, 378736), (2032, 355065), (2540, 284052), (3048, 236710), (3810, 189368), (5080, 142026), (6096, 118355), (7620, 94684), (10160, 71013), (15240, 47342), (23671, 30480)]