81098480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:714

約数の個数: 80

約数和(自身を含む): 198630144

約数和(自身を除く): 117531664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 617, 620, 848, 1060, 1234, 1240, 1643, 2120, 2468, 2480, 3085, 3286, 4240, 4936, 6170, 6572, 8215, 9872, 12340, 13144, 16430, 19127, 24680, 26288, 32701, 32860, 38254, 49360, 65402, 65720, 76508, 95635, 130804, 131440, 153016, 163505, 191270, 261608, 306032, 327010, 382540, 523216, 654020, 765080, 1013731, 1308040, 1530160, 2027462, 2616080, 4054924, 5068655, 8109848, 10137310, 16219696, 20274620, 40549240, 81098480]

約数ペア:

[(1, 81098480), (2, 40549240), (4, 20274620), (5, 16219696), (8, 10137310), (10, 8109848), (16, 5068655), (20, 4054924), (31, 2616080), (40, 2027462), (53, 1530160), (62, 1308040), (80, 1013731), (106, 765080), (124, 654020), (155, 523216), (212, 382540), (248, 327010), (265, 306032), (310, 261608), (424, 191270), (496, 163505), (530, 153016), (617, 131440), (620, 130804), (848, 95635), (1060, 76508), (1234, 65720), (1240, 65402), (1643, 49360), (2120, 38254), (2468, 32860), (2480, 32701), (3085, 26288), (3286, 24680), (4240, 19127), (4936, 16430), (6170, 13144), (6572, 12340), (8215, 9872)]