161544720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21713}}^1$

素因数の和:21760

約数の個数: 80

約数和(自身を含む): 516966912

約数和(自身を除く): 355422192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 21713, 43426, 65139, 86852, 108565, 130278, 173704, 217130, 260556, 325695, 347408, 434260, 521112, 651390, 673103, 868520, 1042224, 1302780, 1346206, 1737040, 2019309, 2605560, 2692412, 3365515, 4038618, 5211120, 5384824, 6731030, 8077236, 10096545, 10769648, 13462060, 16154472, 20193090, 26924120, 32308944, 40386180, 53848240, 80772360, 161544720]

約数ペア:

[(1, 161544720), (2, 80772360), (3, 53848240), (4, 40386180), (5, 32308944), (6, 26924120), (8, 20193090), (10, 16154472), (12, 13462060), (15, 10769648), (16, 10096545), (20, 8077236), (24, 6731030), (30, 5384824), (31, 5211120), (40, 4038618), (48, 3365515), (60, 2692412), (62, 2605560), (80, 2019309), (93, 1737040), (120, 1346206), (124, 1302780), (155, 1042224), (186, 868520), (240, 673103), (248, 651390), (310, 521112), (372, 434260), (465, 347408), (496, 325695), (620, 260556), (744, 217130), (930, 173704), (1240, 130278), (1488, 108565), (1860, 86852), (2480, 65139), (3720, 43426), (7440, 21713)]