81537240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2843}}^1$

素因数の和:3096

約数の個数: 64

約数和(自身を含む): 245721600

約数和(自身を除く): 164184360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2843, 2868, 3585, 4780, 5686, 5736, 7170, 8529, 9560, 11372, 14215, 14340, 17058, 22744, 28430, 28680, 34116, 42645, 56860, 68232, 85290, 113720, 170580, 341160, 679477, 1358954, 2038431, 2717908, 3397385, 4076862, 5435816, 6794770, 8153724, 10192155, 13589540, 16307448, 20384310, 27179080, 40768620, 81537240]

約数ペア:

[(1, 81537240), (2, 40768620), (3, 27179080), (4, 20384310), (5, 16307448), (6, 13589540), (8, 10192155), (10, 8153724), (12, 6794770), (15, 5435816), (20, 4076862), (24, 3397385), (30, 2717908), (40, 2038431), (60, 1358954), (120, 679477), (239, 341160), (478, 170580), (717, 113720), (956, 85290), (1195, 68232), (1434, 56860), (1912, 42645), (2390, 34116), (2843, 28680), (2868, 28430), (3585, 22744), (4780, 17058), (5686, 14340), (5736, 14215), (7170, 11372), (8529, 9560)]