72574560

素因数分解:

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

素因数の和:621

約数の個数: 144

約数和(自身を含む): 250614000

約数和(自身を除く): 178039440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 101, 120, 144, 160, 180, 202, 240, 288, 303, 360, 404, 480, 499, 505, 606, 720, 808, 909, 998, 1010, 1212, 1440, 1497, 1515, 1616, 1818, 1996, 2020, 2424, 2495, 2994, 3030, 3232, 3636, 3992, 4040, 4491, 4545, 4848, 4990, 5988, 6060, 7272, 7485, 7984, 8080, 8982, 9090, 9696, 9980, 11976, 12120, 14544, 14970, 15968, 16160, 17964, 18180, 19960, 22455, 23952, 24240, 29088, 29940, 35928, 36360, 39920, 44910, 47904, 48480, 50399, 59880, 71856, 72720, 79840, 89820, 100798, 119760, 143712, 145440, 151197, 179640, 201596, 239520, 251995, 302394, 359280, 403192, 453591, 503990, 604788, 718560, 755985, 806384, 907182, 1007980, 1209576, 1511970, 1612768, 1814364, 2015960, 2267955, 2419152, 3023940, 3628728, 4031920, 4535910, 4838304, 6047880, 7257456, 8063840, 9071820, 12095760, 14514912, 18143640, 24191520, 36287280, 72574560]

約数ペア:

[(1, 72574560), (2, 36287280), (3, 24191520), (4, 18143640), (5, 14514912), (6, 12095760), (8, 9071820), (9, 8063840), (10, 7257456), (12, 6047880), (15, 4838304), (16, 4535910), (18, 4031920), (20, 3628728), (24, 3023940), (30, 2419152), (32, 2267955), (36, 2015960), (40, 1814364), (45, 1612768), (48, 1511970), (60, 1209576), (72, 1007980), (80, 907182), (90, 806384), (96, 755985), (101, 718560), (120, 604788), (144, 503990), (160, 453591), (180, 403192), (202, 359280), (240, 302394), (288, 251995), (303, 239520), (360, 201596), (404, 179640), (480, 151197), (499, 145440), (505, 143712), (606, 119760), (720, 100798), (808, 89820), (909, 79840), (998, 72720), (1010, 71856), (1212, 59880), (1440, 50399), (1497, 48480), (1515, 47904), (1616, 44910), (1818, 39920), (1996, 36360), (2020, 35928), (2424, 29940), (2495, 29088), (2994, 24240), (3030, 23952), (3232, 22455), (3636, 19960), (3992, 18180), (4040, 17964), (4491, 16160), (4545, 15968), (4848, 14970), (4990, 14544), (5988, 12120), (6060, 11976), (7272, 9980), (7485, 9696), (7984, 9090), (8080, 8982)]