81716310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:811

約数の個数: 128

約数和(自身を含む): 242565120

約数和(自身を除く): 160848810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 90, 93, 117, 130, 135, 155, 186, 195, 234, 270, 279, 310, 351, 390, 403, 465, 558, 585, 702, 751, 806, 837, 930, 1170, 1209, 1395, 1502, 1674, 1755, 2015, 2253, 2418, 2790, 3510, 3627, 3755, 4030, 4185, 4506, 6045, 6759, 7254, 7510, 8370, 9763, 10881, 11265, 12090, 13518, 18135, 19526, 20277, 21762, 22530, 23281, 29289, 33795, 36270, 40554, 46562, 48815, 54405, 58578, 67590, 69843, 87867, 97630, 101385, 108810, 116405, 139686, 146445, 175734, 202770, 209529, 232810, 263601, 292890, 302653, 349215, 419058, 439335, 527202, 605306, 628587, 698430, 878670, 907959, 1047645, 1257174, 1318005, 1513265, 1815918, 2095290, 2636010, 2723877, 3026530, 3142935, 4539795, 5447754, 6285870, 8171631, 9079590, 13619385, 16343262, 27238770, 40858155, 81716310]

約数ペア:

[(1, 81716310), (2, 40858155), (3, 27238770), (5, 16343262), (6, 13619385), (9, 9079590), (10, 8171631), (13, 6285870), (15, 5447754), (18, 4539795), (26, 3142935), (27, 3026530), (30, 2723877), (31, 2636010), (39, 2095290), (45, 1815918), (54, 1513265), (62, 1318005), (65, 1257174), (78, 1047645), (90, 907959), (93, 878670), (117, 698430), (130, 628587), (135, 605306), (155, 527202), (186, 439335), (195, 419058), (234, 349215), (270, 302653), (279, 292890), (310, 263601), (351, 232810), (390, 209529), (403, 202770), (465, 175734), (558, 146445), (585, 139686), (702, 116405), (751, 108810), (806, 101385), (837, 97630), (930, 87867), (1170, 69843), (1209, 67590), (1395, 58578), (1502, 54405), (1674, 48815), (1755, 46562), (2015, 40554), (2253, 36270), (2418, 33795), (2790, 29289), (3510, 23281), (3627, 22530), (3755, 21762), (4030, 20277), (4185, 19526), (4506, 18135), (6045, 13518), (6759, 12090), (7254, 11265), (7510, 10881), (8370, 9763)]