168965475

素因数分解:

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

素因数の和:2049

約数の個数: 72

約数和(自身を含む): 339264000

約数和(自身を除く): 170298525

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 49, 69, 75, 105, 115, 147, 161, 175, 245, 345, 483, 525, 575, 735, 805, 1127, 1225, 1725, 1999, 2415, 3381, 3675, 4025, 5635, 5997, 9995, 12075, 13993, 16905, 28175, 29985, 41979, 45977, 49975, 69965, 84525, 97951, 137931, 149925, 209895, 229885, 293853, 321839, 349825, 489755, 689655, 965517, 1049475, 1149425, 1469265, 1609195, 2252873, 2448775, 3448275, 4827585, 6758619, 7346325, 8045975, 11264365, 24137925, 33793095, 56321825, 168965475]

約数ペア:

[(1, 168965475), (3, 56321825), (5, 33793095), (7, 24137925), (15, 11264365), (21, 8045975), (23, 7346325), (25, 6758619), (35, 4827585), (49, 3448275), (69, 2448775), (75, 2252873), (105, 1609195), (115, 1469265), (147, 1149425), (161, 1049475), (175, 965517), (245, 689655), (345, 489755), (483, 349825), (525, 321839), (575, 293853), (735, 229885), (805, 209895), (1127, 149925), (1225, 137931), (1725, 97951), (1999, 84525), (2415, 69965), (3381, 49975), (3675, 45977), (4025, 41979), (5635, 29985), (5997, 28175), (9995, 16905), (12075, 13993)]