19703280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1549}}^1$

素因数の和:1618

約数の個数: 80

約数和(自身を含む): 62272800

約数和(自身を除く): 42569520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1549, 1590, 2120, 2544, 3098, 3180, 4240, 4647, 6196, 6360, 7745, 9294, 12392, 12720, 15490, 18588, 23235, 24784, 30980, 37176, 46470, 61960, 74352, 82097, 92940, 123920, 164194, 185880, 246291, 328388, 371760, 410485, 492582, 656776, 820970, 985164, 1231455, 1313552, 1641940, 1970328, 2462910, 3283880, 3940656, 4925820, 6567760, 9851640, 19703280]

約数ペア:

[(1, 19703280), (2, 9851640), (3, 6567760), (4, 4925820), (5, 3940656), (6, 3283880), (8, 2462910), (10, 1970328), (12, 1641940), (15, 1313552), (16, 1231455), (20, 985164), (24, 820970), (30, 656776), (40, 492582), (48, 410485), (53, 371760), (60, 328388), (80, 246291), (106, 185880), (120, 164194), (159, 123920), (212, 92940), (240, 82097), (265, 74352), (318, 61960), (424, 46470), (530, 37176), (636, 30980), (795, 24784), (848, 23235), (1060, 18588), (1272, 15490), (1549, 12720), (1590, 12392), (2120, 9294), (2544, 7745), (3098, 6360), (3180, 6196), (4240, 4647)]