513463140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{1999}}^1$

素因数の和:3441

約数の個数: 72

約数和(自身を含む): 1559376000

約数和(自身を除く): 1045912860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1427, 1999, 2854, 3998, 4281, 5708, 5997, 7135, 7996, 8562, 9995, 11994, 12843, 14270, 17124, 17991, 19990, 21405, 23988, 25686, 28540, 29985, 35982, 39980, 42810, 51372, 59970, 64215, 71964, 85620, 89955, 119940, 128430, 179910, 256860, 359820, 2852573, 5705146, 8557719, 11410292, 14262865, 17115438, 25673157, 28525730, 34230876, 42788595, 51346314, 57051460, 85577190, 102692628, 128365785, 171154380, 256731570, 513463140]

約数ペア:

[(1, 513463140), (2, 256731570), (3, 171154380), (4, 128365785), (5, 102692628), (6, 85577190), (9, 57051460), (10, 51346314), (12, 42788595), (15, 34230876), (18, 28525730), (20, 25673157), (30, 17115438), (36, 14262865), (45, 11410292), (60, 8557719), (90, 5705146), (180, 2852573), (1427, 359820), (1999, 256860), (2854, 179910), (3998, 128430), (4281, 119940), (5708, 89955), (5997, 85620), (7135, 71964), (7996, 64215), (8562, 59970), (9995, 51372), (11994, 42810), (12843, 39980), (14270, 35982), (17124, 29985), (17991, 28540), (19990, 25686), (21405, 23988)]