74518480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 185144400

約数和(自身を除く): 110625920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 272, 314, 340, 349, 628, 680, 698, 785, 1256, 1360, 1396, 1570, 1745, 2512, 2669, 2792, 3140, 3490, 5338, 5584, 5933, 6280, 6980, 10676, 11866, 12560, 13345, 13960, 21352, 23732, 26690, 27920, 29665, 42704, 47464, 53380, 54793, 59330, 94928, 106760, 109586, 118660, 213520, 219172, 237320, 273965, 438344, 474640, 547930, 876688, 931481, 1095860, 1862962, 2191720, 3725924, 4383440, 4657405, 7451848, 9314810, 14903696, 18629620, 37259240, 74518480]

約数ペア:

[(1, 74518480), (2, 37259240), (4, 18629620), (5, 14903696), (8, 9314810), (10, 7451848), (16, 4657405), (17, 4383440), (20, 3725924), (34, 2191720), (40, 1862962), (68, 1095860), (80, 931481), (85, 876688), (136, 547930), (157, 474640), (170, 438344), (272, 273965), (314, 237320), (340, 219172), (349, 213520), (628, 118660), (680, 109586), (698, 106760), (785, 94928), (1256, 59330), (1360, 54793), (1396, 53380), (1570, 47464), (1745, 42704), (2512, 29665), (2669, 27920), (2792, 26690), (3140, 23732), (3490, 21352), (5338, 13960), (5584, 13345), (5933, 12560), (6280, 11866), (6980, 10676)]