64975920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 214272000

約数和(自身を除く): 149296080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 79, 80, 92, 115, 120, 138, 149, 158, 184, 230, 237, 240, 276, 298, 316, 345, 368, 395, 447, 460, 474, 552, 596, 632, 690, 745, 790, 894, 920, 948, 1104, 1185, 1192, 1264, 1380, 1490, 1580, 1788, 1817, 1840, 1896, 2235, 2370, 2384, 2760, 2980, 3160, 3427, 3576, 3634, 3792, 4470, 4740, 5451, 5520, 5960, 6320, 6854, 7152, 7268, 8940, 9085, 9480, 10281, 10902, 11771, 11920, 13708, 14536, 17135, 17880, 18170, 18960, 20562, 21804, 23542, 27255, 27416, 29072, 34270, 35313, 35760, 36340, 41124, 43608, 47084, 51405, 54510, 54832, 58855, 68540, 70626, 72680, 82248, 87216, 94168, 102810, 109020, 117710, 137080, 141252, 145360, 164496, 176565, 188336, 205620, 218040, 235420, 270733, 274160, 282504, 353130, 411240, 436080, 470840, 541466, 565008, 706260, 812199, 822480, 941680, 1082932, 1353665, 1412520, 1624398, 2165864, 2707330, 2825040, 3248796, 4060995, 4331728, 5414660, 6497592, 8121990, 10829320, 12995184, 16243980, 21658640, 32487960, 64975920]

約数ペア:

[(1, 64975920), (2, 32487960), (3, 21658640), (4, 16243980), (5, 12995184), (6, 10829320), (8, 8121990), (10, 6497592), (12, 5414660), (15, 4331728), (16, 4060995), (20, 3248796), (23, 2825040), (24, 2707330), (30, 2165864), (40, 1624398), (46, 1412520), (48, 1353665), (60, 1082932), (69, 941680), (79, 822480), (80, 812199), (92, 706260), (115, 565008), (120, 541466), (138, 470840), (149, 436080), (158, 411240), (184, 353130), (230, 282504), (237, 274160), (240, 270733), (276, 235420), (298, 218040), (316, 205620), (345, 188336), (368, 176565), (395, 164496), (447, 145360), (460, 141252), (474, 137080), (552, 117710), (596, 109020), (632, 102810), (690, 94168), (745, 87216), (790, 82248), (894, 72680), (920, 70626), (948, 68540), (1104, 58855), (1185, 54832), (1192, 54510), (1264, 51405), (1380, 47084), (1490, 43608), (1580, 41124), (1788, 36340), (1817, 35760), (1840, 35313), (1896, 34270), (2235, 29072), (2370, 27416), (2384, 27255), (2760, 23542), (2980, 21804), (3160, 20562), (3427, 18960), (3576, 18170), (3634, 17880), (3792, 17135), (4470, 14536), (4740, 13708), (5451, 11920), (5520, 11771), (5960, 10902), (6320, 10281), (6854, 9480), (7152, 9085), (7268, 8940)]