78634980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1423}}^1$

素因数の和:1745

約数の個数: 72

約数和(自身を含む): 239471232

約数和(自身を除く): 160836252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1423, 1535, 1842, 2763, 2846, 3070, 3684, 4269, 4605, 5526, 5692, 6140, 7115, 8538, 9210, 11052, 12807, 13815, 14230, 17076, 18420, 21345, 25614, 27630, 28460, 42690, 51228, 55260, 64035, 85380, 128070, 256140, 436861, 873722, 1310583, 1747444, 2184305, 2621166, 3931749, 4368610, 5242332, 6552915, 7863498, 8737220, 13105830, 15726996, 19658745, 26211660, 39317490, 78634980]

約数ペア:

[(1, 78634980), (2, 39317490), (3, 26211660), (4, 19658745), (5, 15726996), (6, 13105830), (9, 8737220), (10, 7863498), (12, 6552915), (15, 5242332), (18, 4368610), (20, 3931749), (30, 2621166), (36, 2184305), (45, 1747444), (60, 1310583), (90, 873722), (180, 436861), (307, 256140), (614, 128070), (921, 85380), (1228, 64035), (1423, 55260), (1535, 51228), (1842, 42690), (2763, 28460), (2846, 27630), (3070, 25614), (3684, 21345), (4269, 18420), (4605, 17076), (5526, 14230), (5692, 13815), (6140, 12807), (7115, 11052), (8538, 9210)]