78038520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1523}}^1$

素因数の和:1605

約数の個数: 128

約数和(自身を含む): 272125440

約数和(自身を除く): 194086920

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, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1523, 1708, 1830, 2135, 2440, 2562, 3046, 3416, 3660, 4270, 4569, 5124, 6092, 6405, 7320, 7615, 8540, 9138, 10248, 10661, 12184, 12810, 15230, 17080, 18276, 21322, 22845, 25620, 30460, 31983, 36552, 42644, 45690, 51240, 53305, 60920, 63966, 85288, 91380, 92903, 106610, 127932, 159915, 182760, 185806, 213220, 255864, 278709, 319830, 371612, 426440, 464515, 557418, 639660, 650321, 743224, 929030, 1114836, 1279320, 1300642, 1393545, 1858060, 1950963, 2229672, 2601284, 2787090, 3251605, 3716120, 3901926, 5202568, 5574180, 6503210, 7803852, 9754815, 11148360, 13006420, 15607704, 19509630, 26012840, 39019260, 78038520]

約数ペア:

[(1, 78038520), (2, 39019260), (3, 26012840), (4, 19509630), (5, 15607704), (6, 13006420), (7, 11148360), (8, 9754815), (10, 7803852), (12, 6503210), (14, 5574180), (15, 5202568), (20, 3901926), (21, 3716120), (24, 3251605), (28, 2787090), (30, 2601284), (35, 2229672), (40, 1950963), (42, 1858060), (56, 1393545), (60, 1300642), (61, 1279320), (70, 1114836), (84, 929030), (105, 743224), (120, 650321), (122, 639660), (140, 557418), (168, 464515), (183, 426440), (210, 371612), (244, 319830), (280, 278709), (305, 255864), (366, 213220), (420, 185806), (427, 182760), (488, 159915), (610, 127932), (732, 106610), (840, 92903), (854, 91380), (915, 85288), (1220, 63966), (1281, 60920), (1464, 53305), (1523, 51240), (1708, 45690), (1830, 42644), (2135, 36552), (2440, 31983), (2562, 30460), (3046, 25620), (3416, 22845), (3660, 21322), (4270, 18276), (4569, 17080), (5124, 15230), (6092, 12810), (6405, 12184), (7320, 10661), (7615, 10248), (8540, 9138)]