72491580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{8219}}^1$

素因数の和:8248

約数の個数: 108

約数和(自身を含む): 255822840

約数和(自身を除く): 183331260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8219, 8820, 16438, 24657, 32876, 41095, 49314, 57533, 73971, 82190, 98628, 115066, 123285, 147942, 164380, 172599, 230132, 246570, 287665, 295884, 345198, 369855, 402731, 493140, 517797, 575330, 690396, 739710, 805462, 862995, 1035594, 1150660, 1208193, 1479420, 1610924, 1725990, 2013655, 2071188, 2416386, 2588985, 3451980, 3624579, 4027310, 4832772, 5177970, 6040965, 7249158, 8054620, 10355940, 12081930, 14498316, 18122895, 24163860, 36245790, 72491580]

約数ペア:

[(1, 72491580), (2, 36245790), (3, 24163860), (4, 18122895), (5, 14498316), (6, 12081930), (7, 10355940), (9, 8054620), (10, 7249158), (12, 6040965), (14, 5177970), (15, 4832772), (18, 4027310), (20, 3624579), (21, 3451980), (28, 2588985), (30, 2416386), (35, 2071188), (36, 2013655), (42, 1725990), (45, 1610924), (49, 1479420), (60, 1208193), (63, 1150660), (70, 1035594), (84, 862995), (90, 805462), (98, 739710), (105, 690396), (126, 575330), (140, 517797), (147, 493140), (180, 402731), (196, 369855), (210, 345198), (245, 295884), (252, 287665), (294, 246570), (315, 230132), (420, 172599), (441, 164380), (490, 147942), (588, 123285), (630, 115066), (735, 98628), (882, 82190), (980, 73971), (1260, 57533), (1470, 49314), (1764, 41095), (2205, 32876), (2940, 24657), (4410, 16438), (8219, 8820)]