72379020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172331}}^1$

素因数の和:172350

約数の個数: 48

約数和(自身を含む): 231614208

約数和(自身を除く): 159235188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 172331, 344662, 516993, 689324, 861655, 1033986, 1206317, 1723310, 2067972, 2412634, 2584965, 3446620, 3618951, 4825268, 5169930, 6031585, 7237902, 10339860, 12063170, 14475804, 18094755, 24126340, 36189510, 72379020]

約数ペア:

[(1, 72379020), (2, 36189510), (3, 24126340), (4, 18094755), (5, 14475804), (6, 12063170), (7, 10339860), (10, 7237902), (12, 6031585), (14, 5169930), (15, 4825268), (20, 3618951), (21, 3446620), (28, 2584965), (30, 2412634), (35, 2067972), (42, 1723310), (60, 1206317), (70, 1033986), (84, 861655), (105, 689324), (140, 516993), (210, 344662), (420, 172331)]