128265960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 409795200

約数和(自身を除く): 281529240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 101, 114, 120, 152, 190, 202, 228, 285, 303, 380, 404, 456, 505, 557, 570, 606, 760, 808, 1010, 1114, 1140, 1212, 1515, 1671, 1919, 2020, 2228, 2280, 2424, 2785, 3030, 3342, 3838, 4040, 4456, 5570, 5757, 6060, 6684, 7676, 8355, 9595, 10583, 11140, 11514, 12120, 13368, 15352, 16710, 19190, 21166, 22280, 23028, 28785, 31749, 33420, 38380, 42332, 46056, 52915, 56257, 57570, 63498, 66840, 76760, 84664, 105830, 112514, 115140, 126996, 158745, 168771, 211660, 225028, 230280, 253992, 281285, 317490, 337542, 423320, 450056, 562570, 634980, 675084, 843855, 1068883, 1125140, 1269960, 1350168, 1687710, 2137766, 2250280, 3206649, 3375420, 4275532, 5344415, 6413298, 6750840, 8551064, 10688830, 12826596, 16033245, 21377660, 25653192, 32066490, 42755320, 64132980, 128265960]

約数ペア:

[(1, 128265960), (2, 64132980), (3, 42755320), (4, 32066490), (5, 25653192), (6, 21377660), (8, 16033245), (10, 12826596), (12, 10688830), (15, 8551064), (19, 6750840), (20, 6413298), (24, 5344415), (30, 4275532), (38, 3375420), (40, 3206649), (57, 2250280), (60, 2137766), (76, 1687710), (95, 1350168), (101, 1269960), (114, 1125140), (120, 1068883), (152, 843855), (190, 675084), (202, 634980), (228, 562570), (285, 450056), (303, 423320), (380, 337542), (404, 317490), (456, 281285), (505, 253992), (557, 230280), (570, 225028), (606, 211660), (760, 168771), (808, 158745), (1010, 126996), (1114, 115140), (1140, 112514), (1212, 105830), (1515, 84664), (1671, 76760), (1919, 66840), (2020, 63498), (2228, 57570), (2280, 56257), (2424, 52915), (2785, 46056), (3030, 42332), (3342, 38380), (3838, 33420), (4040, 31749), (4456, 28785), (5570, 23028), (5757, 22280), (6060, 21166), (6684, 19190), (7676, 16710), (8355, 15352), (9595, 13368), (10583, 12120), (11140, 11514)]