329750720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2618

約数の個数: 112

約数和(自身を含む): 873239808

約数和(自身を除く): 543489088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 2557, 3224, 4030, 4160, 4960, 5114, 6448, 8060, 9920, 10228, 12785, 12896, 16120, 20456, 25570, 25792, 32240, 33241, 40912, 51140, 64480, 66482, 79267, 81824, 102280, 128960, 132964, 158534, 163648, 166205, 204560, 265928, 317068, 332410, 396335, 409120, 531856, 634136, 664820, 792670, 818240, 1030471, 1063712, 1268272, 1329640, 1585340, 2060942, 2127424, 2536544, 2659280, 3170680, 4121884, 5073088, 5152355, 5318560, 6341360, 8243768, 10304710, 10637120, 12682720, 16487536, 20609420, 25365440, 32975072, 41218840, 65950144, 82437680, 164875360, 329750720]

約数ペア:

[(1, 329750720), (2, 164875360), (4, 82437680), (5, 65950144), (8, 41218840), (10, 32975072), (13, 25365440), (16, 20609420), (20, 16487536), (26, 12682720), (31, 10637120), (32, 10304710), (40, 8243768), (52, 6341360), (62, 5318560), (64, 5152355), (65, 5073088), (80, 4121884), (104, 3170680), (124, 2659280), (130, 2536544), (155, 2127424), (160, 2060942), (208, 1585340), (248, 1329640), (260, 1268272), (310, 1063712), (320, 1030471), (403, 818240), (416, 792670), (496, 664820), (520, 634136), (620, 531856), (806, 409120), (832, 396335), (992, 332410), (1040, 317068), (1240, 265928), (1612, 204560), (1984, 166205), (2015, 163648), (2080, 158534), (2480, 132964), (2557, 128960), (3224, 102280), (4030, 81824), (4160, 79267), (4960, 66482), (5114, 64480), (6448, 51140), (8060, 40912), (9920, 33241), (10228, 32240), (12785, 25792), (12896, 25570), (16120, 20456)]