72418980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{70999}}^1$

素因数の和:71028

約数の個数: 48

約数和(自身を含む): 214704000

約数和(自身を除く): 142285020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 70999, 141998, 212997, 283996, 354995, 425994, 709990, 851988, 1064985, 1206983, 1419980, 2129970, 2413966, 3620949, 4259940, 4827932, 6034915, 7241898, 12069830, 14483796, 18104745, 24139660, 36209490, 72418980]

約数ペア:

[(1, 72418980), (2, 36209490), (3, 24139660), (4, 18104745), (5, 14483796), (6, 12069830), (10, 7241898), (12, 6034915), (15, 4827932), (17, 4259940), (20, 3620949), (30, 2413966), (34, 2129970), (51, 1419980), (60, 1206983), (68, 1064985), (85, 851988), (102, 709990), (170, 425994), (204, 354995), (255, 283996), (340, 212997), (510, 141998), (1020, 70999)]