205763120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2934

約数の個数: 80

約数和(自身を含む): 511038720

約数和(自身を除く): 305275600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2320, 2480, 2861, 3596, 4495, 5722, 7192, 8990, 11444, 14305, 14384, 17980, 22888, 28610, 35960, 45776, 57220, 71920, 82969, 88691, 114440, 165938, 177382, 228880, 331876, 354764, 414845, 443455, 663752, 709528, 829690, 886910, 1327504, 1419056, 1659380, 1773820, 2572039, 3318760, 3547640, 5144078, 6637520, 7095280, 10288156, 12860195, 20576312, 25720390, 41152624, 51440780, 102881560, 205763120]

約数ペア:

[(1, 205763120), (2, 102881560), (4, 51440780), (5, 41152624), (8, 25720390), (10, 20576312), (16, 12860195), (20, 10288156), (29, 7095280), (31, 6637520), (40, 5144078), (58, 3547640), (62, 3318760), (80, 2572039), (116, 1773820), (124, 1659380), (145, 1419056), (155, 1327504), (232, 886910), (248, 829690), (290, 709528), (310, 663752), (464, 443455), (496, 414845), (580, 354764), (620, 331876), (899, 228880), (1160, 177382), (1240, 165938), (1798, 114440), (2320, 88691), (2480, 82969), (2861, 71920), (3596, 57220), (4495, 45776), (5722, 35960), (7192, 28610), (8990, 22888), (11444, 17980), (14305, 14384)]