253820280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{302167}}^1$

素因数の和:302188

約数の個数: 64

約数和(自身を含む): 870243840

約数和(自身を除く): 616423560

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, 302167, 604334, 906501, 1208668, 1510835, 1813002, 2115169, 2417336, 3021670, 3626004, 4230338, 4532505, 6043340, 6345507, 7252008, 8460676, 9065010, 10575845, 12086680, 12691014, 16921352, 18130020, 21151690, 25382028, 31727535, 36260040, 42303380, 50764056, 63455070, 84606760, 126910140, 253820280]

約数ペア:

[(1, 253820280), (2, 126910140), (3, 84606760), (4, 63455070), (5, 50764056), (6, 42303380), (7, 36260040), (8, 31727535), (10, 25382028), (12, 21151690), (14, 18130020), (15, 16921352), (20, 12691014), (21, 12086680), (24, 10575845), (28, 9065010), (30, 8460676), (35, 7252008), (40, 6345507), (42, 6043340), (56, 4532505), (60, 4230338), (70, 3626004), (84, 3021670), (105, 2417336), (120, 2115169), (140, 1813002), (168, 1510835), (210, 1208668), (280, 906501), (420, 604334), (840, 302167)]