81470220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{701}}^1$

素因数の和:875

約数の個数: 96

約数和(自身を含む): 247665600

約数和(自身を除く): 166195380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 298, 390, 447, 596, 701, 745, 780, 894, 1402, 1490, 1788, 1937, 2103, 2235, 2804, 2980, 3505, 3874, 4206, 4470, 5811, 7010, 7748, 8412, 8940, 9113, 9685, 10515, 11622, 14020, 18226, 19370, 21030, 23244, 27339, 29055, 36452, 38740, 42060, 45565, 54678, 58110, 91130, 104449, 109356, 116220, 136695, 182260, 208898, 273390, 313347, 417796, 522245, 546780, 626694, 1044490, 1253388, 1357837, 1566735, 2088980, 2715674, 3133470, 4073511, 5431348, 6266940, 6789185, 8147022, 13578370, 16294044, 20367555, 27156740, 40735110, 81470220]

約数ペア:

[(1, 81470220), (2, 40735110), (3, 27156740), (4, 20367555), (5, 16294044), (6, 13578370), (10, 8147022), (12, 6789185), (13, 6266940), (15, 5431348), (20, 4073511), (26, 3133470), (30, 2715674), (39, 2088980), (52, 1566735), (60, 1357837), (65, 1253388), (78, 1044490), (130, 626694), (149, 546780), (156, 522245), (195, 417796), (260, 313347), (298, 273390), (390, 208898), (447, 182260), (596, 136695), (701, 116220), (745, 109356), (780, 104449), (894, 91130), (1402, 58110), (1490, 54678), (1788, 45565), (1937, 42060), (2103, 38740), (2235, 36452), (2804, 29055), (2980, 27339), (3505, 23244), (3874, 21030), (4206, 19370), (4470, 18226), (5811, 14020), (7010, 11622), (7748, 10515), (8412, 9685), (8940, 9113)]