221546040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:741

約数の個数: 128

約数和(自身を含む): 708341760

約数和(自身を除く): 486795720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 223, 255, 340, 408, 446, 487, 510, 669, 680, 892, 974, 1020, 1115, 1338, 1461, 1784, 1948, 2040, 2230, 2435, 2676, 2922, 3345, 3791, 3896, 4460, 4870, 5352, 5844, 6690, 7305, 7582, 8279, 8920, 9740, 11373, 11688, 13380, 14610, 15164, 16558, 18955, 19480, 22746, 24837, 26760, 29220, 30328, 33116, 37910, 41395, 45492, 49674, 56865, 58440, 66232, 75820, 82790, 90984, 99348, 108601, 113730, 124185, 151640, 165580, 198696, 217202, 227460, 248370, 325803, 331160, 434404, 454920, 496740, 543005, 651606, 868808, 993480, 1086010, 1303212, 1629015, 1846217, 2172020, 2606424, 3258030, 3692434, 4344040, 5538651, 6516060, 7384868, 9231085, 11077302, 13032120, 14769736, 18462170, 22154604, 27693255, 36924340, 44309208, 55386510, 73848680, 110773020, 221546040]

約数ペア:

[(1, 221546040), (2, 110773020), (3, 73848680), (4, 55386510), (5, 44309208), (6, 36924340), (8, 27693255), (10, 22154604), (12, 18462170), (15, 14769736), (17, 13032120), (20, 11077302), (24, 9231085), (30, 7384868), (34, 6516060), (40, 5538651), (51, 4344040), (60, 3692434), (68, 3258030), (85, 2606424), (102, 2172020), (120, 1846217), (136, 1629015), (170, 1303212), (204, 1086010), (223, 993480), (255, 868808), (340, 651606), (408, 543005), (446, 496740), (487, 454920), (510, 434404), (669, 331160), (680, 325803), (892, 248370), (974, 227460), (1020, 217202), (1115, 198696), (1338, 165580), (1461, 151640), (1784, 124185), (1948, 113730), (2040, 108601), (2230, 99348), (2435, 90984), (2676, 82790), (2922, 75820), (3345, 66232), (3791, 58440), (3896, 56865), (4460, 49674), (4870, 45492), (5352, 41395), (5844, 37910), (6690, 33116), (7305, 30328), (7582, 29220), (8279, 26760), (8920, 24837), (9740, 22746), (11373, 19480), (11688, 18955), (13380, 16558), (14610, 15164)]