9870420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 32126976

約数和(自身を除く): 22256556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 331, 355, 420, 426, 497, 662, 710, 852, 993, 994, 1065, 1324, 1420, 1491, 1655, 1986, 1988, 2130, 2317, 2485, 2982, 3310, 3972, 4260, 4634, 4965, 4970, 5964, 6620, 6951, 7455, 9268, 9930, 9940, 11585, 13902, 14910, 19860, 23170, 23501, 27804, 29820, 34755, 46340, 47002, 69510, 70503, 94004, 117505, 139020, 141006, 164507, 235010, 282012, 329014, 352515, 470020, 493521, 658028, 705030, 822535, 987042, 1410060, 1645070, 1974084, 2467605, 3290140, 4935210, 9870420]

約数ペア:

[(1, 9870420), (2, 4935210), (3, 3290140), (4, 2467605), (5, 1974084), (6, 1645070), (7, 1410060), (10, 987042), (12, 822535), (14, 705030), (15, 658028), (20, 493521), (21, 470020), (28, 352515), (30, 329014), (35, 282012), (42, 235010), (60, 164507), (70, 141006), (71, 139020), (84, 117505), (105, 94004), (140, 70503), (142, 69510), (210, 47002), (213, 46340), (284, 34755), (331, 29820), (355, 27804), (420, 23501), (426, 23170), (497, 19860), (662, 14910), (710, 13902), (852, 11585), (993, 9940), (994, 9930), (1065, 9268), (1324, 7455), (1420, 6951), (1491, 6620), (1655, 5964), (1986, 4970), (1988, 4965), (2130, 4634), (2317, 4260), (2485, 3972), (2982, 3310)]