89640360

素因数分解:

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

素因数の和:1015

約数の個数: 72

約数和(自身を含む): 291916170

約数和(自身を除く): 202275810

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, 998, 1497, 1996, 2495, 2994, 3992, 4491, 4990, 5988, 7485, 8982, 9980, 11976, 14970, 17964, 19960, 22455, 29940, 35928, 44910, 59880, 89820, 179640, 249001, 498002, 747003, 996004, 1245005, 1494006, 1992008, 2241009, 2490010, 2988012, 3735015, 4482018, 4980020, 5976024, 7470030, 8964036, 9960040, 11205045, 14940060, 17928072, 22410090, 29880120, 44820180, 89640360]

約数ペア:

[(1, 89640360), (2, 44820180), (3, 29880120), (4, 22410090), (5, 17928072), (6, 14940060), (8, 11205045), (9, 9960040), (10, 8964036), (12, 7470030), (15, 5976024), (18, 4980020), (20, 4482018), (24, 3735015), (30, 2988012), (36, 2490010), (40, 2241009), (45, 1992008), (60, 1494006), (72, 1245005), (90, 996004), (120, 747003), (180, 498002), (360, 249001), (499, 179640), (998, 89820), (1497, 59880), (1996, 44910), (2495, 35928), (2994, 29940), (3992, 22455), (4491, 19960), (4990, 17964), (5988, 14970), (7485, 11976), (8982, 9980)]