490675560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1279}}^1$

素因数の和:1455

約数の個数: 128

約数和(自身を含む): 1548288000

約数和(自身を除く): 1057612440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 139, 184, 230, 276, 278, 345, 417, 460, 552, 556, 690, 695, 834, 920, 1112, 1279, 1380, 1390, 1668, 2085, 2558, 2760, 2780, 3197, 3336, 3837, 4170, 5116, 5560, 6394, 6395, 7674, 8340, 9591, 10232, 12788, 12790, 15348, 15985, 16680, 19182, 19185, 25576, 25580, 29417, 30696, 31970, 38364, 38370, 47955, 51160, 58834, 63940, 76728, 76740, 88251, 95910, 117668, 127880, 147085, 153480, 176502, 177781, 191820, 235336, 294170, 353004, 355562, 383640, 441255, 533343, 588340, 706008, 711124, 882510, 888905, 1066686, 1176680, 1422248, 1765020, 1777810, 2133372, 2666715, 3530040, 3555620, 4088963, 4266744, 5333430, 7111240, 8177926, 10666860, 12266889, 16355852, 20444815, 21333720, 24533778, 32711704, 40889630, 49067556, 61334445, 81779260, 98135112, 122668890, 163558520, 245337780, 490675560]

約数ペア:

[(1, 490675560), (2, 245337780), (3, 163558520), (4, 122668890), (5, 98135112), (6, 81779260), (8, 61334445), (10, 49067556), (12, 40889630), (15, 32711704), (20, 24533778), (23, 21333720), (24, 20444815), (30, 16355852), (40, 12266889), (46, 10666860), (60, 8177926), (69, 7111240), (92, 5333430), (115, 4266744), (120, 4088963), (138, 3555620), (139, 3530040), (184, 2666715), (230, 2133372), (276, 1777810), (278, 1765020), (345, 1422248), (417, 1176680), (460, 1066686), (552, 888905), (556, 882510), (690, 711124), (695, 706008), (834, 588340), (920, 533343), (1112, 441255), (1279, 383640), (1380, 355562), (1390, 353004), (1668, 294170), (2085, 235336), (2558, 191820), (2760, 177781), (2780, 176502), (3197, 153480), (3336, 147085), (3837, 127880), (4170, 117668), (5116, 95910), (5560, 88251), (6394, 76740), (6395, 76728), (7674, 63940), (8340, 58834), (9591, 51160), (10232, 47955), (12788, 38370), (12790, 38364), (15348, 31970), (15985, 30696), (16680, 29417), (19182, 25580), (19185, 25576)]