18143640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 59670000

約数和(自身を除く): 41526360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 120, 180, 202, 303, 360, 404, 499, 505, 606, 808, 909, 998, 1010, 1212, 1497, 1515, 1818, 1996, 2020, 2424, 2495, 2994, 3030, 3636, 3992, 4040, 4491, 4545, 4990, 5988, 6060, 7272, 7485, 8982, 9090, 9980, 11976, 12120, 14970, 17964, 18180, 19960, 22455, 29940, 35928, 36360, 44910, 50399, 59880, 89820, 100798, 151197, 179640, 201596, 251995, 302394, 403192, 453591, 503990, 604788, 755985, 907182, 1007980, 1209576, 1511970, 1814364, 2015960, 2267955, 3023940, 3628728, 4535910, 6047880, 9071820, 18143640]

約数ペア:

[(1, 18143640), (2, 9071820), (3, 6047880), (4, 4535910), (5, 3628728), (6, 3023940), (8, 2267955), (9, 2015960), (10, 1814364), (12, 1511970), (15, 1209576), (18, 1007980), (20, 907182), (24, 755985), (30, 604788), (36, 503990), (40, 453591), (45, 403192), (60, 302394), (72, 251995), (90, 201596), (101, 179640), (120, 151197), (180, 100798), (202, 89820), (303, 59880), (360, 50399), (404, 44910), (499, 36360), (505, 35928), (606, 29940), (808, 22455), (909, 19960), (998, 18180), (1010, 17964), (1212, 14970), (1497, 12120), (1515, 11976), (1818, 9980), (1996, 9090), (2020, 8982), (2424, 7485), (2495, 7272), (2994, 6060), (3030, 5988), (3636, 4990), (3992, 4545), (4040, 4491)]