195272720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1224

約数の個数: 80

約数和(自身を含む): 475683840

約数和(自身を除く): 280411120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 710, 1109, 1136, 1240, 1420, 2201, 2218, 2480, 2840, 4402, 4436, 5545, 5680, 8804, 8872, 11005, 11090, 17608, 17744, 22010, 22180, 34379, 35216, 44020, 44360, 68758, 78739, 88040, 88720, 137516, 157478, 171895, 176080, 275032, 314956, 343790, 393695, 550064, 629912, 687580, 787390, 1259824, 1375160, 1574780, 2440909, 2750320, 3149560, 4881818, 6299120, 9763636, 12204545, 19527272, 24409090, 39054544, 48818180, 97636360, 195272720]

約数ペア:

[(1, 195272720), (2, 97636360), (4, 48818180), (5, 39054544), (8, 24409090), (10, 19527272), (16, 12204545), (20, 9763636), (31, 6299120), (40, 4881818), (62, 3149560), (71, 2750320), (80, 2440909), (124, 1574780), (142, 1375160), (155, 1259824), (248, 787390), (284, 687580), (310, 629912), (355, 550064), (496, 393695), (568, 343790), (620, 314956), (710, 275032), (1109, 176080), (1136, 171895), (1240, 157478), (1420, 137516), (2201, 88720), (2218, 88040), (2480, 78739), (2840, 68758), (4402, 44360), (4436, 44020), (5545, 35216), (5680, 34379), (8804, 22180), (8872, 22010), (11005, 17744), (11090, 17608)]