538492720

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1582

約数の個数: 80

約数和(自身を含む): 1290854880

約数和(自身を除く): 752362160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 89, 106, 178, 212, 265, 356, 424, 445, 530, 712, 848, 890, 1060, 1424, 1427, 1780, 2120, 2854, 3560, 4240, 4717, 5708, 7120, 7135, 9434, 11416, 14270, 18868, 22832, 23585, 28540, 37736, 47170, 57080, 75472, 75631, 94340, 114160, 127003, 151262, 188680, 254006, 302524, 377360, 378155, 508012, 605048, 635015, 756310, 1016024, 1210096, 1270030, 1512620, 2032048, 2540060, 3025240, 5080120, 6050480, 6731159, 10160240, 13462318, 26924636, 33655795, 53849272, 67311590, 107698544, 134623180, 269246360, 538492720]

約数ペア:

[(1, 538492720), (2, 269246360), (4, 134623180), (5, 107698544), (8, 67311590), (10, 53849272), (16, 33655795), (20, 26924636), (40, 13462318), (53, 10160240), (80, 6731159), (89, 6050480), (106, 5080120), (178, 3025240), (212, 2540060), (265, 2032048), (356, 1512620), (424, 1270030), (445, 1210096), (530, 1016024), (712, 756310), (848, 635015), (890, 605048), (1060, 508012), (1424, 378155), (1427, 377360), (1780, 302524), (2120, 254006), (2854, 188680), (3560, 151262), (4240, 127003), (4717, 114160), (5708, 94340), (7120, 75631), (7135, 75472), (9434, 57080), (11416, 47170), (14270, 37736), (18868, 28540), (22832, 23585)]