42288660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{983}}^1$

素因数の和:1237

約数の個数: 72

約数和(自身を含む): 128943360

約数和(自身を除く): 86654700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 983, 1195, 1434, 1966, 2151, 2390, 2868, 2949, 3585, 3932, 4302, 4780, 4915, 5898, 7170, 8604, 8847, 9830, 10755, 11796, 14340, 14745, 17694, 19660, 21510, 29490, 35388, 43020, 44235, 58980, 88470, 176940, 234937, 469874, 704811, 939748, 1174685, 1409622, 2114433, 2349370, 2819244, 3524055, 4228866, 4698740, 7048110, 8457732, 10572165, 14096220, 21144330, 42288660]

約数ペア:

[(1, 42288660), (2, 21144330), (3, 14096220), (4, 10572165), (5, 8457732), (6, 7048110), (9, 4698740), (10, 4228866), (12, 3524055), (15, 2819244), (18, 2349370), (20, 2114433), (30, 1409622), (36, 1174685), (45, 939748), (60, 704811), (90, 469874), (180, 234937), (239, 176940), (478, 88470), (717, 58980), (956, 44235), (983, 43020), (1195, 35388), (1434, 29490), (1966, 21510), (2151, 19660), (2390, 17694), (2868, 14745), (2949, 14340), (3585, 11796), (3932, 10755), (4302, 9830), (4780, 8847), (4915, 8604), (5898, 7170)]