72494840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 188291520

約数和(自身を除く): 115796680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 61, 73, 74, 88, 110, 122, 146, 148, 185, 220, 244, 292, 296, 305, 365, 370, 407, 440, 488, 584, 610, 671, 730, 740, 803, 814, 1220, 1342, 1460, 1480, 1606, 1628, 2035, 2257, 2440, 2684, 2701, 2920, 3212, 3256, 3355, 4015, 4070, 4453, 4514, 5368, 5402, 6424, 6710, 8030, 8140, 8906, 9028, 10804, 11285, 13420, 13505, 16060, 16280, 17812, 18056, 21608, 22265, 22570, 24827, 26840, 27010, 29711, 32120, 35624, 44530, 45140, 48983, 49654, 54020, 59422, 89060, 90280, 97966, 99308, 108040, 118844, 124135, 148555, 164761, 178120, 195932, 198616, 237688, 244915, 248270, 297110, 329522, 391864, 489830, 496540, 594220, 659044, 823805, 979660, 993080, 1188440, 1318088, 1647610, 1812371, 1959320, 3295220, 3624742, 6590440, 7249484, 9061855, 14498968, 18123710, 36247420, 72494840]

約数ペア:

[(1, 72494840), (2, 36247420), (4, 18123710), (5, 14498968), (8, 9061855), (10, 7249484), (11, 6590440), (20, 3624742), (22, 3295220), (37, 1959320), (40, 1812371), (44, 1647610), (55, 1318088), (61, 1188440), (73, 993080), (74, 979660), (88, 823805), (110, 659044), (122, 594220), (146, 496540), (148, 489830), (185, 391864), (220, 329522), (244, 297110), (292, 248270), (296, 244915), (305, 237688), (365, 198616), (370, 195932), (407, 178120), (440, 164761), (488, 148555), (584, 124135), (610, 118844), (671, 108040), (730, 99308), (740, 97966), (803, 90280), (814, 89060), (1220, 59422), (1342, 54020), (1460, 49654), (1480, 48983), (1606, 45140), (1628, 44530), (2035, 35624), (2257, 32120), (2440, 29711), (2684, 27010), (2701, 26840), (2920, 24827), (3212, 22570), (3256, 22265), (3355, 21608), (4015, 18056), (4070, 17812), (4453, 16280), (4514, 16060), (5368, 13505), (5402, 13420), (6424, 11285), (6710, 10804), (8030, 9028), (8140, 8906)]