72213640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{827}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 169905600

約数和(自身を除く): 97691960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 185, 236, 295, 296, 370, 472, 590, 740, 827, 1180, 1480, 1654, 2183, 2360, 3308, 4135, 4366, 6616, 8270, 8732, 10915, 16540, 17464, 21830, 30599, 33080, 43660, 48793, 61198, 87320, 97586, 122396, 152995, 195172, 243965, 244792, 305990, 390344, 487930, 611980, 975860, 1223960, 1805341, 1951720, 3610682, 7221364, 9026705, 14442728, 18053410, 36106820, 72213640]

約数ペア:

[(1, 72213640), (2, 36106820), (4, 18053410), (5, 14442728), (8, 9026705), (10, 7221364), (20, 3610682), (37, 1951720), (40, 1805341), (59, 1223960), (74, 975860), (118, 611980), (148, 487930), (185, 390344), (236, 305990), (295, 244792), (296, 243965), (370, 195172), (472, 152995), (590, 122396), (740, 97586), (827, 87320), (1180, 61198), (1480, 48793), (1654, 43660), (2183, 33080), (2360, 30599), (3308, 21830), (4135, 17464), (4366, 16540), (6616, 10915), (8270, 8732)]