128325708

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 180

約数和(自身を含む): 399750120

約数和(自身を除く): 271424412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 59, 63, 81, 84, 98, 108, 118, 126, 137, 147, 162, 177, 189, 196, 236, 252, 274, 294, 324, 354, 378, 411, 413, 441, 531, 548, 567, 588, 708, 756, 822, 826, 882, 959, 1062, 1134, 1233, 1239, 1323, 1593, 1644, 1652, 1764, 1918, 2124, 2268, 2466, 2478, 2646, 2877, 2891, 3186, 3699, 3717, 3836, 3969, 4779, 4932, 4956, 5292, 5754, 5782, 6372, 6713, 7398, 7434, 7938, 8083, 8631, 8673, 9558, 11097, 11151, 11508, 11564, 13426, 14796, 14868, 15876, 16166, 17262, 17346, 19116, 20139, 22194, 22302, 24249, 25893, 26019, 26852, 32332, 33453, 34524, 34692, 40278, 44388, 44604, 48498, 51786, 52038, 56581, 60417, 66906, 72747, 77679, 78057, 80556, 96996, 103572, 104076, 113162, 120834, 133812, 145494, 155358, 156114, 169743, 181251, 218241, 226324, 234171, 241668, 290988, 310716, 312228, 339486, 362502, 396067, 436482, 468342, 509229, 543753, 654723, 678972, 725004, 792134, 872964, 936684, 1018458, 1087506, 1188201, 1309446, 1527687, 1584268, 2036916, 2175012, 2376402, 2618892, 3055374, 3564603, 4583061, 4752804, 6110748, 7129206, 9166122, 10693809, 14258412, 18332244, 21387618, 32081427, 42775236, 64162854, 128325708]

約数ペア:

[(1, 128325708), (2, 64162854), (3, 42775236), (4, 32081427), (6, 21387618), (7, 18332244), (9, 14258412), (12, 10693809), (14, 9166122), (18, 7129206), (21, 6110748), (27, 4752804), (28, 4583061), (36, 3564603), (42, 3055374), (49, 2618892), (54, 2376402), (59, 2175012), (63, 2036916), (81, 1584268), (84, 1527687), (98, 1309446), (108, 1188201), (118, 1087506), (126, 1018458), (137, 936684), (147, 872964), (162, 792134), (177, 725004), (189, 678972), (196, 654723), (236, 543753), (252, 509229), (274, 468342), (294, 436482), (324, 396067), (354, 362502), (378, 339486), (411, 312228), (413, 310716), (441, 290988), (531, 241668), (548, 234171), (567, 226324), (588, 218241), (708, 181251), (756, 169743), (822, 156114), (826, 155358), (882, 145494), (959, 133812), (1062, 120834), (1134, 113162), (1233, 104076), (1239, 103572), (1323, 96996), (1593, 80556), (1644, 78057), (1652, 77679), (1764, 72747), (1918, 66906), (2124, 60417), (2268, 56581), (2466, 52038), (2478, 51786), (2646, 48498), (2877, 44604), (2891, 44388), (3186, 40278), (3699, 34692), (3717, 34524), (3836, 33453), (3969, 32332), (4779, 26852), (4932, 26019), (4956, 25893), (5292, 24249), (5754, 22302), (5782, 22194), (6372, 20139), (6713, 19116), (7398, 17346), (7434, 17262), (7938, 16166), (8083, 15876), (8631, 14868), (8673, 14796), (9558, 13426), (11097, 11564), (11151, 11508)]