68441940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54319}}^1$

素因数の和:54341

約数の個数: 72

約数和(自身を含む): 237269760

約数和(自身を除く): 168827820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 54319, 108638, 162957, 217276, 271595, 325914, 380233, 488871, 543190, 651828, 760466, 814785, 977742, 1086380, 1140699, 1520932, 1629570, 1901165, 1955484, 2281398, 2444355, 3259140, 3422097, 3802330, 4562796, 4888710, 5703495, 6844194, 7604660, 9777420, 11406990, 13688388, 17110485, 22813980, 34220970, 68441940]

約数ペア:

[(1, 68441940), (2, 34220970), (3, 22813980), (4, 17110485), (5, 13688388), (6, 11406990), (7, 9777420), (9, 7604660), (10, 6844194), (12, 5703495), (14, 4888710), (15, 4562796), (18, 3802330), (20, 3422097), (21, 3259140), (28, 2444355), (30, 2281398), (35, 1955484), (36, 1901165), (42, 1629570), (45, 1520932), (60, 1140699), (63, 1086380), (70, 977742), (84, 814785), (90, 760466), (105, 651828), (126, 543190), (140, 488871), (180, 380233), (210, 325914), (252, 271595), (315, 217276), (420, 162957), (630, 108638), (1260, 54319)]