81570216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^4\times {\mathrm{17}}^1$

素因数の和:85

約数の個数: 160

約数和(自身を含む): 267330240

約数和(自身を除く): 185760024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 17, 21, 24, 26, 28, 34, 39, 42, 51, 52, 56, 68, 78, 84, 91, 102, 104, 119, 136, 156, 168, 169, 182, 204, 221, 238, 273, 312, 338, 357, 364, 408, 442, 476, 507, 546, 663, 676, 714, 728, 884, 952, 1014, 1092, 1183, 1326, 1352, 1428, 1547, 1768, 2028, 2184, 2197, 2366, 2652, 2856, 2873, 3094, 3549, 4056, 4394, 4641, 4732, 5304, 5746, 6188, 6591, 7098, 8619, 8788, 9282, 9464, 11492, 12376, 13182, 14196, 15379, 17238, 17576, 18564, 20111, 22984, 26364, 28392, 28561, 30758, 34476, 37128, 37349, 40222, 46137, 52728, 57122, 60333, 61516, 68952, 74698, 80444, 85683, 92274, 112047, 114244, 120666, 123032, 149396, 160888, 171366, 184548, 199927, 224094, 228488, 241332, 261443, 298792, 342732, 369096, 399854, 448188, 482664, 485537, 522886, 599781, 685464, 784329, 799708, 896376, 971074, 1045772, 1199562, 1456611, 1568658, 1599416, 1942148, 2091544, 2399124, 2913222, 3137316, 3398759, 3884296, 4798248, 5826444, 6274632, 6797518, 10196277, 11652888, 13595036, 20392554, 27190072, 40785108, 81570216]

約数ペア:

[(1, 81570216), (2, 40785108), (3, 27190072), (4, 20392554), (6, 13595036), (7, 11652888), (8, 10196277), (12, 6797518), (13, 6274632), (14, 5826444), (17, 4798248), (21, 3884296), (24, 3398759), (26, 3137316), (28, 2913222), (34, 2399124), (39, 2091544), (42, 1942148), (51, 1599416), (52, 1568658), (56, 1456611), (68, 1199562), (78, 1045772), (84, 971074), (91, 896376), (102, 799708), (104, 784329), (119, 685464), (136, 599781), (156, 522886), (168, 485537), (169, 482664), (182, 448188), (204, 399854), (221, 369096), (238, 342732), (273, 298792), (312, 261443), (338, 241332), (357, 228488), (364, 224094), (408, 199927), (442, 184548), (476, 171366), (507, 160888), (546, 149396), (663, 123032), (676, 120666), (714, 114244), (728, 112047), (884, 92274), (952, 85683), (1014, 80444), (1092, 74698), (1183, 68952), (1326, 61516), (1352, 60333), (1428, 57122), (1547, 52728), (1768, 46137), (2028, 40222), (2184, 37349), (2197, 37128), (2366, 34476), (2652, 30758), (2856, 28561), (2873, 28392), (3094, 26364), (3549, 22984), (4056, 20111), (4394, 18564), (4641, 17576), (4732, 17238), (5304, 15379), (5746, 14196), (6188, 13182), (6591, 12376), (7098, 11492), (8619, 9464), (8788, 9282)]