489491880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239947}}^1$

素因数の和:239978

約数の個数: 64

約数和(自身を含む): 1554863040

約数和(自身を除く): 1065371160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 239947, 479894, 719841, 959788, 1199735, 1439682, 1919576, 2399470, 2879364, 3599205, 4079099, 4798940, 5758728, 7198410, 8158198, 9597880, 12237297, 14396820, 16316396, 20395495, 24474594, 28793640, 32632792, 40790990, 48949188, 61186485, 81581980, 97898376, 122372970, 163163960, 244745940, 489491880]

約数ペア:

[(1, 489491880), (2, 244745940), (3, 163163960), (4, 122372970), (5, 97898376), (6, 81581980), (8, 61186485), (10, 48949188), (12, 40790990), (15, 32632792), (17, 28793640), (20, 24474594), (24, 20395495), (30, 16316396), (34, 14396820), (40, 12237297), (51, 9597880), (60, 8158198), (68, 7198410), (85, 5758728), (102, 4798940), (120, 4079099), (136, 3599205), (170, 2879364), (204, 2399470), (255, 1919576), (340, 1439682), (408, 1199735), (510, 959788), (680, 719841), (1020, 479894), (2040, 239947)]