128480520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{152953}}^1$

素因数の和:152974

約数の個数: 64

約数和(自身を含む): 440507520

約数和(自身を除く): 312027000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 152953, 305906, 458859, 611812, 764765, 917718, 1070671, 1223624, 1529530, 1835436, 2141342, 2294295, 3059060, 3212013, 3670872, 4282684, 4588590, 5353355, 6118120, 6424026, 8565368, 9177180, 10706710, 12848052, 16060065, 18354360, 21413420, 25696104, 32120130, 42826840, 64240260, 128480520]

約数ペア:

[(1, 128480520), (2, 64240260), (3, 42826840), (4, 32120130), (5, 25696104), (6, 21413420), (7, 18354360), (8, 16060065), (10, 12848052), (12, 10706710), (14, 9177180), (15, 8565368), (20, 6424026), (21, 6118120), (24, 5353355), (28, 4588590), (30, 4282684), (35, 3670872), (40, 3212013), (42, 3059060), (56, 2294295), (60, 2141342), (70, 1835436), (84, 1529530), (105, 1223624), (120, 1070671), (140, 917718), (168, 764765), (210, 611812), (280, 458859), (420, 305906), (840, 152953)]