78654120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 244944000

約数和(自身を除く): 166289880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 83, 106, 120, 149, 159, 166, 212, 249, 265, 298, 318, 332, 415, 424, 447, 498, 530, 596, 636, 664, 745, 795, 830, 894, 996, 1060, 1192, 1245, 1272, 1490, 1590, 1660, 1788, 1992, 2120, 2235, 2490, 2980, 3180, 3320, 3576, 4399, 4470, 4980, 5960, 6360, 7897, 8798, 8940, 9960, 12367, 13197, 15794, 17596, 17880, 21995, 23691, 24734, 26394, 31588, 35192, 37101, 39485, 43990, 47382, 49468, 52788, 61835, 63176, 65985, 74202, 78970, 87980, 94764, 98936, 105576, 118455, 123670, 131970, 148404, 157940, 175960, 185505, 189528, 236910, 247340, 263940, 296808, 315880, 371010, 473820, 494680, 527880, 655451, 742020, 947640, 1310902, 1484040, 1966353, 2621804, 3277255, 3932706, 5243608, 6554510, 7865412, 9831765, 13109020, 15730824, 19663530, 26218040, 39327060, 78654120]

約数ペア:

[(1, 78654120), (2, 39327060), (3, 26218040), (4, 19663530), (5, 15730824), (6, 13109020), (8, 9831765), (10, 7865412), (12, 6554510), (15, 5243608), (20, 3932706), (24, 3277255), (30, 2621804), (40, 1966353), (53, 1484040), (60, 1310902), (83, 947640), (106, 742020), (120, 655451), (149, 527880), (159, 494680), (166, 473820), (212, 371010), (249, 315880), (265, 296808), (298, 263940), (318, 247340), (332, 236910), (415, 189528), (424, 185505), (447, 175960), (498, 157940), (530, 148404), (596, 131970), (636, 123670), (664, 118455), (745, 105576), (795, 98936), (830, 94764), (894, 87980), (996, 78970), (1060, 74202), (1192, 65985), (1245, 63176), (1272, 61835), (1490, 52788), (1590, 49468), (1660, 47382), (1788, 43990), (1992, 39485), (2120, 37101), (2235, 35192), (2490, 31588), (2980, 26394), (3180, 24734), (3320, 23691), (3576, 21995), (4399, 17880), (4470, 17596), (4980, 15794), (5960, 13197), (6360, 12367), (7897, 9960), (8798, 8940)]