128729484

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 381588480

約数和(自身を除く): 252858996

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 31, 36, 38, 39, 52, 57, 62, 76, 78, 93, 114, 117, 124, 156, 171, 186, 228, 234, 247, 279, 342, 372, 403, 467, 468, 494, 558, 589, 684, 741, 806, 934, 988, 1116, 1178, 1209, 1401, 1482, 1612, 1767, 1868, 2223, 2356, 2418, 2802, 2964, 3534, 3627, 4203, 4446, 4836, 5301, 5604, 6071, 7068, 7254, 7657, 8406, 8873, 8892, 10602, 12142, 14477, 14508, 15314, 16812, 17746, 18213, 21204, 22971, 24284, 26619, 28954, 30628, 35492, 36426, 43431, 45942, 53238, 54639, 57908, 68913, 72852, 79857, 86862, 91884, 106476, 109278, 115349, 130293, 137826, 159714, 173724, 188201, 218556, 230698, 260586, 275063, 275652, 319428, 346047, 376402, 461396, 521172, 550126, 564603, 692094, 752804, 825189, 1038141, 1100252, 1129206, 1384188, 1650378, 1693809, 2076282, 2258412, 2475567, 3300756, 3387618, 3575819, 4152564, 4951134, 6775236, 7151638, 9902268, 10727457, 14303276, 21454914, 32182371, 42909828, 64364742, 128729484]

約数ペア:

[(1, 128729484), (2, 64364742), (3, 42909828), (4, 32182371), (6, 21454914), (9, 14303276), (12, 10727457), (13, 9902268), (18, 7151638), (19, 6775236), (26, 4951134), (31, 4152564), (36, 3575819), (38, 3387618), (39, 3300756), (52, 2475567), (57, 2258412), (62, 2076282), (76, 1693809), (78, 1650378), (93, 1384188), (114, 1129206), (117, 1100252), (124, 1038141), (156, 825189), (171, 752804), (186, 692094), (228, 564603), (234, 550126), (247, 521172), (279, 461396), (342, 376402), (372, 346047), (403, 319428), (467, 275652), (468, 275063), (494, 260586), (558, 230698), (589, 218556), (684, 188201), (741, 173724), (806, 159714), (934, 137826), (988, 130293), (1116, 115349), (1178, 109278), (1209, 106476), (1401, 91884), (1482, 86862), (1612, 79857), (1767, 72852), (1868, 68913), (2223, 57908), (2356, 54639), (2418, 53238), (2802, 45942), (2964, 43431), (3534, 36426), (3627, 35492), (4203, 30628), (4446, 28954), (4836, 26619), (5301, 24284), (5604, 22971), (6071, 21204), (7068, 18213), (7254, 17746), (7657, 16812), (8406, 15314), (8873, 14508), (8892, 14477), (10602, 12142)]