156720925460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1997}}^1\times {\mathrm{32429}}^1$

素因数の和:34457

約数の個数: 72

約数和(自身を含む): 361945652040

約数和(自身を除く): 205224726580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1997, 2420, 3994, 7988, 9985, 19970, 21967, 32429, 39940, 43934, 64858, 87868, 109835, 129716, 162145, 219670, 241637, 324290, 356719, 439340, 483274, 648580, 713438, 966548, 1208185, 1426876, 1783595, 2416370, 3567190, 3923909, 4832740, 7134380, 7847818, 15695636, 19619545, 39239090, 64760713, 78478180, 129521426, 259042852, 323803565, 647607130, 712367843, 1295214260, 1424735686, 2849471372, 3561839215, 7123678430, 7836046273, 14247356860, 15672092546, 31344185092, 39180231365, 78360462730, 156720925460]

約数ペア:

[(1, 156720925460), (2, 78360462730), (4, 39180231365), (5, 31344185092), (10, 15672092546), (11, 14247356860), (20, 7836046273), (22, 7123678430), (44, 3561839215), (55, 2849471372), (110, 1424735686), (121, 1295214260), (220, 712367843), (242, 647607130), (484, 323803565), (605, 259042852), (1210, 129521426), (1997, 78478180), (2420, 64760713), (3994, 39239090), (7988, 19619545), (9985, 15695636), (19970, 7847818), (21967, 7134380), (32429, 4832740), (39940, 3923909), (43934, 3567190), (64858, 2416370), (87868, 1783595), (109835, 1426876), (129716, 1208185), (162145, 966548), (219670, 713438), (241637, 648580), (324290, 483274), (356719, 439340)]