72413775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2045

約数の個数: 72

約数和(自身を含む): 154752000

約数和(自身を除く): 82338225

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 35, 45, 63, 69, 75, 105, 115, 161, 175, 207, 225, 315, 345, 483, 525, 575, 805, 1035, 1449, 1575, 1725, 1999, 2415, 4025, 5175, 5997, 7245, 9995, 12075, 13993, 17991, 29985, 36225, 41979, 45977, 49975, 69965, 89955, 125937, 137931, 149925, 209895, 229885, 321839, 349825, 413793, 449775, 629685, 689655, 965517, 1049475, 1149425, 1609195, 2068965, 2896551, 3148425, 3448275, 4827585, 8045975, 10344825, 14482755, 24137925, 72413775]

約数ペア:

[(1, 72413775), (3, 24137925), (5, 14482755), (7, 10344825), (9, 8045975), (15, 4827585), (21, 3448275), (23, 3148425), (25, 2896551), (35, 2068965), (45, 1609195), (63, 1149425), (69, 1049475), (75, 965517), (105, 689655), (115, 629685), (161, 449775), (175, 413793), (207, 349825), (225, 321839), (315, 229885), (345, 209895), (483, 149925), (525, 137931), (575, 125937), (805, 89955), (1035, 69965), (1449, 49975), (1575, 45977), (1725, 41979), (1999, 36225), (2415, 29985), (4025, 17991), (5175, 13993), (5997, 12075), (7245, 9995)]