2220777760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{10289}}^1$

素因数の和:10394

約数の個数: 96

約数和(自身を含む): 5601052800

約数和(自身を除く): 3380275040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 71, 76, 80, 95, 142, 152, 160, 190, 284, 304, 355, 380, 568, 608, 710, 760, 1136, 1349, 1420, 1520, 2272, 2698, 2840, 3040, 5396, 5680, 6745, 10289, 10792, 11360, 13490, 20578, 21584, 26980, 41156, 43168, 51445, 53960, 82312, 102890, 107920, 164624, 195491, 205780, 215840, 329248, 390982, 411560, 730519, 781964, 823120, 977455, 1461038, 1563928, 1646240, 1954910, 2922076, 3127856, 3652595, 3909820, 5844152, 6255712, 7305190, 7819640, 11688304, 13879861, 14610380, 15639280, 23376608, 27759722, 29220760, 31278560, 55519444, 58441520, 69399305, 111038888, 116883040, 138798610, 222077776, 277597220, 444155552, 555194440, 1110388880, 2220777760]

約数ペア:

[(1, 2220777760), (2, 1110388880), (4, 555194440), (5, 444155552), (8, 277597220), (10, 222077776), (16, 138798610), (19, 116883040), (20, 111038888), (32, 69399305), (38, 58441520), (40, 55519444), (71, 31278560), (76, 29220760), (80, 27759722), (95, 23376608), (142, 15639280), (152, 14610380), (160, 13879861), (190, 11688304), (284, 7819640), (304, 7305190), (355, 6255712), (380, 5844152), (568, 3909820), (608, 3652595), (710, 3127856), (760, 2922076), (1136, 1954910), (1349, 1646240), (1420, 1563928), (1520, 1461038), (2272, 977455), (2698, 823120), (2840, 781964), (3040, 730519), (5396, 411560), (5680, 390982), (6745, 329248), (10289, 215840), (10792, 205780), (11360, 195491), (13490, 164624), (20578, 107920), (21584, 102890), (26980, 82312), (41156, 53960), (43168, 51445)]