31173920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 79552368

約数和(自身を除く): 48378448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 73, 80, 85, 136, 146, 157, 160, 170, 272, 292, 314, 340, 365, 544, 584, 628, 680, 730, 785, 1168, 1241, 1256, 1360, 1460, 1570, 2336, 2482, 2512, 2669, 2720, 2920, 3140, 4964, 5024, 5338, 5840, 6205, 6280, 9928, 10676, 11461, 11680, 12410, 12560, 13345, 19856, 21352, 22922, 24820, 25120, 26690, 39712, 42704, 45844, 49640, 53380, 57305, 85408, 91688, 99280, 106760, 114610, 183376, 194837, 198560, 213520, 229220, 366752, 389674, 427040, 458440, 779348, 916880, 974185, 1558696, 1833760, 1948370, 3117392, 3896740, 6234784, 7793480, 15586960, 31173920]

約数ペア:

[(1, 31173920), (2, 15586960), (4, 7793480), (5, 6234784), (8, 3896740), (10, 3117392), (16, 1948370), (17, 1833760), (20, 1558696), (32, 974185), (34, 916880), (40, 779348), (68, 458440), (73, 427040), (80, 389674), (85, 366752), (136, 229220), (146, 213520), (157, 198560), (160, 194837), (170, 183376), (272, 114610), (292, 106760), (314, 99280), (340, 91688), (365, 85408), (544, 57305), (584, 53380), (628, 49640), (680, 45844), (730, 42704), (785, 39712), (1168, 26690), (1241, 25120), (1256, 24820), (1360, 22922), (1460, 21352), (1570, 19856), (2336, 13345), (2482, 12560), (2512, 12410), (2669, 11680), (2720, 11461), (2920, 10676), (3140, 9928), (4964, 6280), (5024, 6205), (5338, 5840)]