331088520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{394153}}^1$

素因数の和:394174

約数の個数: 64

約数和(自身を含む): 1135163520

約数和(自身を除く): 804075000

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, 394153, 788306, 1182459, 1576612, 1970765, 2364918, 2759071, 3153224, 3941530, 4729836, 5518142, 5912295, 7883060, 8277213, 9459672, 11036284, 11824590, 13795355, 15766120, 16554426, 22072568, 23649180, 27590710, 33108852, 41386065, 47298360, 55181420, 66217704, 82772130, 110362840, 165544260, 331088520]

約数ペア:

[(1, 331088520), (2, 165544260), (3, 110362840), (4, 82772130), (5, 66217704), (6, 55181420), (7, 47298360), (8, 41386065), (10, 33108852), (12, 27590710), (14, 23649180), (15, 22072568), (20, 16554426), (21, 15766120), (24, 13795355), (28, 11824590), (30, 11036284), (35, 9459672), (40, 8277213), (42, 7883060), (56, 5912295), (60, 5518142), (70, 4729836), (84, 3941530), (105, 3153224), (120, 2759071), (140, 2364918), (168, 1970765), (210, 1576612), (280, 1182459), (420, 788306), (840, 394153)]