178023240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1$

素因数の和:1507

約数の個数: 96

約数和(自身を含む): 580320000

約数和(自身を除く): 402296760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 499, 991, 998, 1497, 1982, 1996, 2495, 2973, 2994, 3964, 3992, 4491, 4955, 4990, 5946, 5988, 7485, 7928, 8919, 8982, 9910, 9980, 11892, 11976, 14865, 14970, 17838, 17964, 19820, 19960, 22455, 23784, 29730, 29940, 35676, 35928, 39640, 44595, 44910, 59460, 59880, 71352, 89190, 89820, 118920, 178380, 179640, 356760, 494509, 989018, 1483527, 1978036, 2472545, 2967054, 3956072, 4450581, 4945090, 5934108, 7417635, 8901162, 9890180, 11868216, 14835270, 17802324, 19780360, 22252905, 29670540, 35604648, 44505810, 59341080, 89011620, 178023240]

約数ペア:

[(1, 178023240), (2, 89011620), (3, 59341080), (4, 44505810), (5, 35604648), (6, 29670540), (8, 22252905), (9, 19780360), (10, 17802324), (12, 14835270), (15, 11868216), (18, 9890180), (20, 8901162), (24, 7417635), (30, 5934108), (36, 4945090), (40, 4450581), (45, 3956072), (60, 2967054), (72, 2472545), (90, 1978036), (120, 1483527), (180, 989018), (360, 494509), (499, 356760), (991, 179640), (998, 178380), (1497, 118920), (1982, 89820), (1996, 89190), (2495, 71352), (2973, 59880), (2994, 59460), (3964, 44910), (3992, 44595), (4491, 39640), (4955, 35928), (4990, 35676), (5946, 29940), (5988, 29730), (7485, 23784), (7928, 22455), (8919, 19960), (8982, 19820), (9910, 17964), (9980, 17838), (11892, 14970), (11976, 14865)]