87251640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 301086720

約数和(自身を除く): 213835080

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, 241, 280, 420, 431, 482, 723, 840, 862, 964, 1205, 1293, 1446, 1687, 1724, 1928, 2155, 2410, 2586, 2892, 3017, 3374, 3448, 3615, 4310, 4820, 5061, 5172, 5784, 6034, 6465, 6748, 7230, 8435, 8620, 9051, 9640, 10122, 10344, 12068, 12930, 13496, 14460, 15085, 16870, 17240, 18102, 20244, 24136, 25305, 25860, 28920, 30170, 33740, 36204, 40488, 45255, 50610, 51720, 60340, 67480, 72408, 90510, 101220, 103871, 120680, 181020, 202440, 207742, 311613, 362040, 415484, 519355, 623226, 727097, 830968, 1038710, 1246452, 1454194, 1558065, 2077420, 2181291, 2492904, 2908388, 3116130, 3635485, 4154840, 4362582, 5816776, 6232260, 7270970, 8725164, 10906455, 12464520, 14541940, 17450328, 21812910, 29083880, 43625820, 87251640]

約数ペア:

[(1, 87251640), (2, 43625820), (3, 29083880), (4, 21812910), (5, 17450328), (6, 14541940), (7, 12464520), (8, 10906455), (10, 8725164), (12, 7270970), (14, 6232260), (15, 5816776), (20, 4362582), (21, 4154840), (24, 3635485), (28, 3116130), (30, 2908388), (35, 2492904), (40, 2181291), (42, 2077420), (56, 1558065), (60, 1454194), (70, 1246452), (84, 1038710), (105, 830968), (120, 727097), (140, 623226), (168, 519355), (210, 415484), (241, 362040), (280, 311613), (420, 207742), (431, 202440), (482, 181020), (723, 120680), (840, 103871), (862, 101220), (964, 90510), (1205, 72408), (1293, 67480), (1446, 60340), (1687, 51720), (1724, 50610), (1928, 45255), (2155, 40488), (2410, 36204), (2586, 33740), (2892, 30170), (3017, 28920), (3374, 25860), (3448, 25305), (3615, 24136), (4310, 20244), (4820, 18102), (5061, 17240), (5172, 16870), (5784, 15085), (6034, 14460), (6465, 13496), (6748, 12930), (7230, 12068), (8435, 10344), (8620, 10122), (9051, 9640)]