31500560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4327}}^1$

素因数の和:4360

約数の個数: 80

約数和(自身を含む): 90160896

約数和(自身を除く): 58660336

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 4327, 7280, 8654, 17308, 21635, 30289, 34616, 43270, 56251, 60578, 69232, 86540, 112502, 121156, 151445, 173080, 225004, 242312, 281255, 302890, 346160, 393757, 450008, 484624, 562510, 605780, 787514, 900016, 1125020, 1211560, 1575028, 1968785, 2250040, 2423120, 3150056, 3937570, 4500080, 6300112, 7875140, 15750280, 31500560]

約数ペア:

[(1, 31500560), (2, 15750280), (4, 7875140), (5, 6300112), (7, 4500080), (8, 3937570), (10, 3150056), (13, 2423120), (14, 2250040), (16, 1968785), (20, 1575028), (26, 1211560), (28, 1125020), (35, 900016), (40, 787514), (52, 605780), (56, 562510), (65, 484624), (70, 450008), (80, 393757), (91, 346160), (104, 302890), (112, 281255), (130, 242312), (140, 225004), (182, 173080), (208, 151445), (260, 121156), (280, 112502), (364, 86540), (455, 69232), (520, 60578), (560, 56251), (728, 43270), (910, 34616), (1040, 30289), (1456, 21635), (1820, 17308), (3640, 8654), (4327, 7280)]