473372080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:531

約数の個数: 120

約数和(自身を含む): 1195651152

約数和(自身を除く): 722279072

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 361, 370, 380, 443, 592, 703, 722, 740, 760, 886, 1406, 1444, 1480, 1520, 1772, 1805, 2215, 2812, 2888, 2960, 3515, 3544, 3610, 4430, 5624, 5776, 7030, 7088, 7220, 8417, 8860, 11248, 13357, 14060, 14440, 16391, 16834, 17720, 26714, 28120, 28880, 32782, 33668, 35440, 42085, 53428, 56240, 65564, 66785, 67336, 81955, 84170, 106856, 131128, 133570, 134672, 159923, 163910, 168340, 213712, 262256, 267140, 311429, 319846, 327820, 336680, 534280, 622858, 639692, 655640, 673360, 799615, 1068560, 1245716, 1279384, 1311280, 1557145, 1599230, 2491432, 2558768, 3114290, 3198460, 4982864, 5917151, 6228580, 6396920, 11834302, 12457160, 12793840, 23668604, 24914320, 29585755, 47337208, 59171510, 94674416, 118343020, 236686040, 473372080]

約数ペア:

[(1, 473372080), (2, 236686040), (4, 118343020), (5, 94674416), (8, 59171510), (10, 47337208), (16, 29585755), (19, 24914320), (20, 23668604), (37, 12793840), (38, 12457160), (40, 11834302), (74, 6396920), (76, 6228580), (80, 5917151), (95, 4982864), (148, 3198460), (152, 3114290), (185, 2558768), (190, 2491432), (296, 1599230), (304, 1557145), (361, 1311280), (370, 1279384), (380, 1245716), (443, 1068560), (592, 799615), (703, 673360), (722, 655640), (740, 639692), (760, 622858), (886, 534280), (1406, 336680), (1444, 327820), (1480, 319846), (1520, 311429), (1772, 267140), (1805, 262256), (2215, 213712), (2812, 168340), (2888, 163910), (2960, 159923), (3515, 134672), (3544, 133570), (3610, 131128), (4430, 106856), (5624, 84170), (5776, 81955), (7030, 67336), (7088, 66785), (7220, 65564), (8417, 56240), (8860, 53428), (11248, 42085), (13357, 35440), (14060, 33668), (14440, 32782), (16391, 28880), (16834, 28120), (17720, 26714)]