640752960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35129}}^1$

素因数の和:35168

約数の個数: 112

約数和(自身を含む): 2141524800

約数和(自身を除く): 1500771840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1824, 2280, 3040, 3648, 4560, 6080, 9120, 18240, 35129, 70258, 105387, 140516, 175645, 210774, 281032, 351290, 421548, 526935, 562064, 667451, 702580, 843096, 1053870, 1124128, 1334902, 1405160, 1686192, 2002353, 2107740, 2248256, 2669804, 2810320, 3337255, 3372384, 4004706, 4215480, 5339608, 5620640, 6674510, 6744768, 8009412, 8430960, 10011765, 10679216, 11241280, 13349020, 16018824, 16861920, 20023530, 21358432, 26698040, 32037648, 33723840, 40047060, 42716864, 53396080, 64075296, 80094120, 106792160, 128150592, 160188240, 213584320, 320376480, 640752960]

約数ペア:

[(1, 640752960), (2, 320376480), (3, 213584320), (4, 160188240), (5, 128150592), (6, 106792160), (8, 80094120), (10, 64075296), (12, 53396080), (15, 42716864), (16, 40047060), (19, 33723840), (20, 32037648), (24, 26698040), (30, 21358432), (32, 20023530), (38, 16861920), (40, 16018824), (48, 13349020), (57, 11241280), (60, 10679216), (64, 10011765), (76, 8430960), (80, 8009412), (95, 6744768), (96, 6674510), (114, 5620640), (120, 5339608), (152, 4215480), (160, 4004706), (190, 3372384), (192, 3337255), (228, 2810320), (240, 2669804), (285, 2248256), (304, 2107740), (320, 2002353), (380, 1686192), (456, 1405160), (480, 1334902), (570, 1124128), (608, 1053870), (760, 843096), (912, 702580), (960, 667451), (1140, 562064), (1216, 526935), (1520, 421548), (1824, 351290), (2280, 281032), (3040, 210774), (3648, 175645), (4560, 140516), (6080, 105387), (9120, 70258), (18240, 35129)]