71284920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{751}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 246896640

約数和(自身を除く): 175611720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 113, 120, 140, 168, 210, 226, 280, 339, 420, 452, 565, 678, 751, 791, 840, 904, 1130, 1356, 1502, 1582, 1695, 2253, 2260, 2373, 2712, 3004, 3164, 3390, 3755, 3955, 4506, 4520, 4746, 5257, 6008, 6328, 6780, 7510, 7910, 9012, 9492, 10514, 11265, 11865, 13560, 15020, 15771, 15820, 18024, 18984, 21028, 22530, 23730, 26285, 30040, 31542, 31640, 42056, 45060, 47460, 52570, 63084, 78855, 84863, 90120, 94920, 105140, 126168, 157710, 169726, 210280, 254589, 315420, 339452, 424315, 509178, 594041, 630840, 678904, 848630, 1018356, 1188082, 1272945, 1697260, 1782123, 2036712, 2376164, 2545890, 2970205, 3394520, 3564246, 4752328, 5091780, 5940410, 7128492, 8910615, 10183560, 11880820, 14256984, 17821230, 23761640, 35642460, 71284920]

約数ペア:

[(1, 71284920), (2, 35642460), (3, 23761640), (4, 17821230), (5, 14256984), (6, 11880820), (7, 10183560), (8, 8910615), (10, 7128492), (12, 5940410), (14, 5091780), (15, 4752328), (20, 3564246), (21, 3394520), (24, 2970205), (28, 2545890), (30, 2376164), (35, 2036712), (40, 1782123), (42, 1697260), (56, 1272945), (60, 1188082), (70, 1018356), (84, 848630), (105, 678904), (113, 630840), (120, 594041), (140, 509178), (168, 424315), (210, 339452), (226, 315420), (280, 254589), (339, 210280), (420, 169726), (452, 157710), (565, 126168), (678, 105140), (751, 94920), (791, 90120), (840, 84863), (904, 78855), (1130, 63084), (1356, 52570), (1502, 47460), (1582, 45060), (1695, 42056), (2253, 31640), (2260, 31542), (2373, 30040), (2712, 26285), (3004, 23730), (3164, 22530), (3390, 21028), (3755, 18984), (3955, 18024), (4506, 15820), (4520, 15771), (4746, 15020), (5257, 13560), (6008, 11865), (6328, 11265), (6780, 10514), (7510, 9492), (7910, 9012)]