71671860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 237116880

約数和(自身を除く): 165445020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 109, 117, 130, 156, 180, 195, 218, 234, 260, 281, 327, 390, 436, 468, 545, 562, 585, 654, 780, 843, 981, 1090, 1124, 1170, 1308, 1405, 1417, 1635, 1686, 1962, 2180, 2340, 2529, 2810, 2834, 3270, 3372, 3653, 3924, 4215, 4251, 4905, 5058, 5620, 5668, 6540, 7085, 7306, 8430, 8502, 9810, 10116, 10959, 12645, 12753, 14170, 14612, 16860, 17004, 18265, 19620, 21255, 21918, 25290, 25506, 28340, 30629, 32877, 36530, 42510, 43836, 50580, 51012, 54795, 61258, 63765, 65754, 73060, 85020, 91887, 109590, 122516, 127530, 131508, 153145, 164385, 183774, 219180, 255060, 275661, 306290, 328770, 367548, 398177, 459435, 551322, 612580, 657540, 796354, 918870, 1102644, 1194531, 1378305, 1592708, 1837740, 1990885, 2389062, 2756610, 3583593, 3981770, 4778124, 5513220, 5972655, 7167186, 7963540, 11945310, 14334372, 17917965, 23890620, 35835930, 71671860]

約数ペア:

[(1, 71671860), (2, 35835930), (3, 23890620), (4, 17917965), (5, 14334372), (6, 11945310), (9, 7963540), (10, 7167186), (12, 5972655), (13, 5513220), (15, 4778124), (18, 3981770), (20, 3583593), (26, 2756610), (30, 2389062), (36, 1990885), (39, 1837740), (45, 1592708), (52, 1378305), (60, 1194531), (65, 1102644), (78, 918870), (90, 796354), (109, 657540), (117, 612580), (130, 551322), (156, 459435), (180, 398177), (195, 367548), (218, 328770), (234, 306290), (260, 275661), (281, 255060), (327, 219180), (390, 183774), (436, 164385), (468, 153145), (545, 131508), (562, 127530), (585, 122516), (654, 109590), (780, 91887), (843, 85020), (981, 73060), (1090, 65754), (1124, 63765), (1170, 61258), (1308, 54795), (1405, 51012), (1417, 50580), (1635, 43836), (1686, 42510), (1962, 36530), (2180, 32877), (2340, 30629), (2529, 28340), (2810, 25506), (2834, 25290), (3270, 21918), (3372, 21255), (3653, 19620), (3924, 18265), (4215, 17004), (4251, 16860), (4905, 14612), (5058, 14170), (5620, 12753), (5668, 12645), (6540, 10959), (7085, 10116), (7306, 9810), (8430, 8502)]