815657360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{1297}}^1$

素因数の和:2440

約数の個数: 80

約数和(自身を含む): 2170920576

約数和(自身を除く): 1355263216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1123, 1297, 2246, 2594, 4492, 5188, 5615, 6485, 7861, 8984, 9079, 10376, 11230, 12970, 15722, 17968, 18158, 20752, 22460, 25940, 31444, 36316, 39305, 44920, 45395, 51880, 62888, 72632, 78610, 89840, 90790, 103760, 125776, 145264, 157220, 181580, 314440, 363160, 628880, 726320, 1456531, 2913062, 5826124, 7282655, 10195717, 11652248, 14565310, 20391434, 23304496, 29130620, 40782868, 50978585, 58261240, 81565736, 101957170, 116522480, 163131472, 203914340, 407828680, 815657360]

約数ペア:

[(1, 815657360), (2, 407828680), (4, 203914340), (5, 163131472), (7, 116522480), (8, 101957170), (10, 81565736), (14, 58261240), (16, 50978585), (20, 40782868), (28, 29130620), (35, 23304496), (40, 20391434), (56, 14565310), (70, 11652248), (80, 10195717), (112, 7282655), (140, 5826124), (280, 2913062), (560, 1456531), (1123, 726320), (1297, 628880), (2246, 363160), (2594, 314440), (4492, 181580), (5188, 157220), (5615, 145264), (6485, 125776), (7861, 103760), (8984, 90790), (9079, 89840), (10376, 78610), (11230, 72632), (12970, 62888), (15722, 51880), (17968, 45395), (18158, 44920), (20752, 39305), (22460, 36316), (25940, 31444)]