123501520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2684

約数の個数: 80

約数和(自身を含む): 312122880

約数和(自身を除く): 188621360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2621, 2945, 4712, 5242, 5890, 9424, 10484, 11780, 13105, 20968, 23560, 26210, 41936, 47120, 49799, 52420, 81251, 99598, 104840, 162502, 199196, 209680, 248995, 325004, 398392, 406255, 497990, 650008, 796784, 812510, 995980, 1300016, 1543769, 1625020, 1991960, 3087538, 3250040, 3983920, 6175076, 6500080, 7718845, 12350152, 15437690, 24700304, 30875380, 61750760, 123501520]

約数ペア:

[(1, 123501520), (2, 61750760), (4, 30875380), (5, 24700304), (8, 15437690), (10, 12350152), (16, 7718845), (19, 6500080), (20, 6175076), (31, 3983920), (38, 3250040), (40, 3087538), (62, 1991960), (76, 1625020), (80, 1543769), (95, 1300016), (124, 995980), (152, 812510), (155, 796784), (190, 650008), (248, 497990), (304, 406255), (310, 398392), (380, 325004), (496, 248995), (589, 209680), (620, 199196), (760, 162502), (1178, 104840), (1240, 99598), (1520, 81251), (2356, 52420), (2480, 49799), (2621, 47120), (2945, 41936), (4712, 26210), (5242, 23560), (5890, 20968), (9424, 13105), (10484, 11780)]