215244840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4049}}^1$

素因数の和:4506

約数の個数: 64

約数和(自身を含む): 647352000

約数和(自身を除く): 432107160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 443, 886, 1329, 1772, 2215, 2658, 3544, 4049, 4430, 5316, 6645, 8098, 8860, 10632, 12147, 13290, 16196, 17720, 20245, 24294, 26580, 32392, 40490, 48588, 53160, 60735, 80980, 97176, 121470, 161960, 242940, 485880, 1793707, 3587414, 5381121, 7174828, 8968535, 10762242, 14349656, 17937070, 21524484, 26905605, 35874140, 43048968, 53811210, 71748280, 107622420, 215244840]

約数ペア:

[(1, 215244840), (2, 107622420), (3, 71748280), (4, 53811210), (5, 43048968), (6, 35874140), (8, 26905605), (10, 21524484), (12, 17937070), (15, 14349656), (20, 10762242), (24, 8968535), (30, 7174828), (40, 5381121), (60, 3587414), (120, 1793707), (443, 485880), (886, 242940), (1329, 161960), (1772, 121470), (2215, 97176), (2658, 80980), (3544, 60735), (4049, 53160), (4430, 48588), (5316, 40490), (6645, 32392), (8098, 26580), (8860, 24294), (10632, 20245), (12147, 17720), (13290, 16196)]