80717428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 171327744

約数和(自身を除く): 90610316

約数列:

[1, 2, 4, 11, 17, 22, 31, 34, 44, 59, 62, 68, 118, 124, 187, 236, 341, 374, 527, 649, 682, 748, 1003, 1054, 1298, 1364, 1829, 2006, 2108, 2596, 3481, 3658, 4012, 5797, 6962, 7316, 11033, 11594, 13924, 20119, 22066, 23188, 31093, 38291, 40238, 44132, 59177, 62186, 76582, 80476, 107911, 118354, 124372, 153164, 215822, 236708, 342023, 431644, 650947, 684046, 1187021, 1301894, 1368092, 1834487, 2374042, 2603788, 3668974, 4748084, 7337948, 20179357, 40358714, 80717428]

約数ペア:

[(1, 80717428), (2, 40358714), (4, 20179357), (11, 7337948), (17, 4748084), (22, 3668974), (31, 2603788), (34, 2374042), (44, 1834487), (59, 1368092), (62, 1301894), (68, 1187021), (118, 684046), (124, 650947), (187, 431644), (236, 342023), (341, 236708), (374, 215822), (527, 153164), (649, 124372), (682, 118354), (748, 107911), (1003, 80476), (1054, 76582), (1298, 62186), (1364, 59177), (1829, 44132), (2006, 40238), (2108, 38291), (2596, 31093), (3481, 23188), (3658, 22066), (4012, 20119), (5797, 13924), (6962, 11594), (7316, 11033)]