78816216

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 224570880

約数和(自身を除く): 145754664

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 37, 46, 51, 68, 69, 74, 92, 102, 111, 136, 138, 148, 184, 204, 222, 227, 276, 296, 391, 408, 444, 454, 552, 629, 681, 782, 851, 888, 908, 1173, 1258, 1362, 1564, 1702, 1816, 1887, 2346, 2516, 2553, 2724, 3128, 3404, 3774, 3859, 4692, 5032, 5106, 5221, 5448, 6808, 7548, 7718, 8399, 9384, 10212, 10442, 11577, 14467, 15096, 15436, 15663, 16798, 20424, 20884, 23154, 25197, 28934, 30872, 31326, 33596, 41768, 43401, 46308, 50394, 57868, 62652, 67192, 86802, 88757, 92616, 100788, 115736, 125304, 142783, 173604, 177514, 193177, 201576, 266271, 285566, 347208, 355028, 386354, 428349, 532542, 571132, 579531, 710056, 772708, 856698, 1065084, 1142264, 1159062, 1545416, 1713396, 2130168, 2318124, 3284009, 3426792, 4636248, 6568018, 9852027, 13136036, 19704054, 26272072, 39408108, 78816216]

約数ペア:

[(1, 78816216), (2, 39408108), (3, 26272072), (4, 19704054), (6, 13136036), (8, 9852027), (12, 6568018), (17, 4636248), (23, 3426792), (24, 3284009), (34, 2318124), (37, 2130168), (46, 1713396), (51, 1545416), (68, 1159062), (69, 1142264), (74, 1065084), (92, 856698), (102, 772708), (111, 710056), (136, 579531), (138, 571132), (148, 532542), (184, 428349), (204, 386354), (222, 355028), (227, 347208), (276, 285566), (296, 266271), (391, 201576), (408, 193177), (444, 177514), (454, 173604), (552, 142783), (629, 125304), (681, 115736), (782, 100788), (851, 92616), (888, 88757), (908, 86802), (1173, 67192), (1258, 62652), (1362, 57868), (1564, 50394), (1702, 46308), (1816, 43401), (1887, 41768), (2346, 33596), (2516, 31326), (2553, 30872), (2724, 28934), (3128, 25197), (3404, 23154), (3774, 20884), (3859, 20424), (4692, 16798), (5032, 15663), (5106, 15436), (5221, 15096), (5448, 14467), (6808, 11577), (7548, 10442), (7718, 10212), (8399, 9384)]