163689920

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:646

約数の個数: 112

約数和(自身を含む): 416966400

約数和(自身を除く): 253276480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 145, 155, 160, 232, 248, 290, 310, 320, 464, 496, 569, 580, 620, 899, 928, 992, 1138, 1160, 1240, 1798, 1856, 1984, 2276, 2320, 2480, 2845, 3596, 4495, 4552, 4640, 4960, 5690, 7192, 8990, 9104, 9280, 9920, 11380, 14384, 16501, 17639, 17980, 18208, 22760, 28768, 33002, 35278, 35960, 36416, 45520, 57536, 66004, 70556, 71920, 82505, 88195, 91040, 132008, 141112, 143840, 165010, 176390, 182080, 264016, 282224, 287680, 330020, 352780, 511531, 528032, 564448, 660040, 705560, 1023062, 1056064, 1128896, 1320080, 1411120, 2046124, 2557655, 2640160, 2822240, 4092248, 5115310, 5280320, 5644480, 8184496, 10230620, 16368992, 20461240, 32737984, 40922480, 81844960, 163689920]

約数ペア:

[(1, 163689920), (2, 81844960), (4, 40922480), (5, 32737984), (8, 20461240), (10, 16368992), (16, 10230620), (20, 8184496), (29, 5644480), (31, 5280320), (32, 5115310), (40, 4092248), (58, 2822240), (62, 2640160), (64, 2557655), (80, 2046124), (116, 1411120), (124, 1320080), (145, 1128896), (155, 1056064), (160, 1023062), (232, 705560), (248, 660040), (290, 564448), (310, 528032), (320, 511531), (464, 352780), (496, 330020), (569, 287680), (580, 282224), (620, 264016), (899, 182080), (928, 176390), (992, 165010), (1138, 143840), (1160, 141112), (1240, 132008), (1798, 91040), (1856, 88195), (1984, 82505), (2276, 71920), (2320, 70556), (2480, 66004), (2845, 57536), (3596, 45520), (4495, 36416), (4552, 35960), (4640, 35278), (4960, 33002), (5690, 28768), (7192, 22760), (8990, 18208), (9104, 17980), (9280, 17639), (9920, 16501), (11380, 14384)]