2021940840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{5519}}^1$

素因数の和:5647

約数の個数: 128

約数和(自身を含む): 6295449600

約数和(自身を除く): 4273508760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 71, 86, 120, 129, 142, 172, 213, 215, 258, 284, 344, 355, 426, 430, 516, 568, 645, 710, 852, 860, 1032, 1065, 1290, 1420, 1704, 1720, 2130, 2580, 2840, 3053, 4260, 5160, 5519, 6106, 8520, 9159, 11038, 12212, 15265, 16557, 18318, 22076, 24424, 27595, 30530, 33114, 36636, 44152, 45795, 55190, 61060, 66228, 73272, 82785, 91590, 110380, 122120, 132456, 165570, 183180, 220760, 237317, 331140, 366360, 391849, 474634, 662280, 711951, 783698, 949268, 1175547, 1186585, 1423902, 1567396, 1898536, 1959245, 2351094, 2373170, 2847804, 3134792, 3559755, 3918490, 4702188, 4746340, 5695608, 5877735, 7119510, 7836980, 9404376, 9492680, 11755470, 14239020, 15673960, 16849507, 23510940, 28478040, 33699014, 47021880, 50548521, 67398028, 84247535, 101097042, 134796056, 168495070, 202194084, 252742605, 336990140, 404388168, 505485210, 673980280, 1010970420, 2021940840]

約数ペア:

[(1, 2021940840), (2, 1010970420), (3, 673980280), (4, 505485210), (5, 404388168), (6, 336990140), (8, 252742605), (10, 202194084), (12, 168495070), (15, 134796056), (20, 101097042), (24, 84247535), (30, 67398028), (40, 50548521), (43, 47021880), (60, 33699014), (71, 28478040), (86, 23510940), (120, 16849507), (129, 15673960), (142, 14239020), (172, 11755470), (213, 9492680), (215, 9404376), (258, 7836980), (284, 7119510), (344, 5877735), (355, 5695608), (426, 4746340), (430, 4702188), (516, 3918490), (568, 3559755), (645, 3134792), (710, 2847804), (852, 2373170), (860, 2351094), (1032, 1959245), (1065, 1898536), (1290, 1567396), (1420, 1423902), (1704, 1186585), (1720, 1175547), (2130, 949268), (2580, 783698), (2840, 711951), (3053, 662280), (4260, 474634), (5160, 391849), (5519, 366360), (6106, 331140), (8520, 237317), (9159, 220760), (11038, 183180), (12212, 165570), (15265, 132456), (16557, 122120), (18318, 110380), (22076, 91590), (24424, 82785), (27595, 73272), (30530, 66228), (33114, 61060), (36636, 55190), (44152, 45795)]