251048520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 288

約数和(自身を含む): 919526400

約数和(自身を除く): 668477880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 127, 136, 152, 153, 170, 171, 180, 190, 204, 228, 254, 255, 285, 289, 306, 323, 340, 342, 360, 380, 381, 408, 456, 508, 510, 570, 578, 612, 635, 646, 680, 684, 760, 762, 765, 855, 867, 969, 1016, 1020, 1140, 1143, 1156, 1224, 1270, 1292, 1368, 1445, 1524, 1530, 1615, 1710, 1734, 1905, 1938, 2040, 2159, 2280, 2286, 2312, 2413, 2540, 2584, 2601, 2890, 2907, 3048, 3060, 3230, 3420, 3468, 3810, 3876, 4318, 4335, 4572, 4826, 4845, 5080, 5202, 5491, 5715, 5780, 5814, 6120, 6460, 6477, 6840, 6936, 7239, 7620, 7752, 8636, 8670, 9144, 9652, 9690, 10404, 10795, 10982, 11430, 11560, 11628, 12065, 12920, 12954, 13005, 14478, 14535, 15240, 16473, 17272, 17340, 19304, 19380, 19431, 20808, 21590, 21717, 21964, 22860, 23256, 24130, 25908, 26010, 27455, 28956, 29070, 32385, 32946, 34680, 36195, 36703, 38760, 38862, 41021, 43180, 43434, 43928, 45720, 48260, 49419, 51816, 52020, 54910, 57912, 58140, 64770, 65892, 72390, 73406, 77724, 82042, 82365, 86360, 86868, 96520, 97155, 98838, 104040, 108585, 109820, 110109, 116280, 123063, 129540, 131784, 144780, 146812, 155448, 164084, 164730, 173736, 183515, 194310, 197676, 205105, 217170, 219640, 220218, 246126, 247095, 259080, 289560, 293624, 328168, 329460, 330327, 367030, 369189, 388620, 395352, 410210, 434340, 440436, 492252, 494190, 550545, 615315, 658920, 660654, 697357, 734060, 738378, 777240, 820420, 868680, 880872, 984504, 988380, 1101090, 1230630, 1321308, 1394714, 1468120, 1476756, 1640840, 1651635, 1845945, 1976760, 2092071, 2202180, 2461260, 2642616, 2789428, 2953512, 3303270, 3486785, 3691890, 4184142, 4404360, 4922520, 5578856, 6276213, 6606540, 6973570, 7383780, 8368284, 10460355, 12552426, 13213080, 13947140, 14767560, 16736568, 20920710, 25104852, 27894280, 31381065, 41841420, 50209704, 62762130, 83682840, 125524260, 251048520]

約数ペア:

[(1, 251048520), (2, 125524260), (3, 83682840), (4, 62762130), (5, 50209704), (6, 41841420), (8, 31381065), (9, 27894280), (10, 25104852), (12, 20920710), (15, 16736568), (17, 14767560), (18, 13947140), (19, 13213080), (20, 12552426), (24, 10460355), (30, 8368284), (34, 7383780), (36, 6973570), (38, 6606540), (40, 6276213), (45, 5578856), (51, 4922520), (57, 4404360), (60, 4184142), (68, 3691890), (72, 3486785), (76, 3303270), (85, 2953512), (90, 2789428), (95, 2642616), (102, 2461260), (114, 2202180), (120, 2092071), (127, 1976760), (136, 1845945), (152, 1651635), (153, 1640840), (170, 1476756), (171, 1468120), (180, 1394714), (190, 1321308), (204, 1230630), (228, 1101090), (254, 988380), (255, 984504), (285, 880872), (289, 868680), (306, 820420), (323, 777240), (340, 738378), (342, 734060), (360, 697357), (380, 660654), (381, 658920), (408, 615315), (456, 550545), (508, 494190), (510, 492252), (570, 440436), (578, 434340), (612, 410210), (635, 395352), (646, 388620), (680, 369189), (684, 367030), (760, 330327), (762, 329460), (765, 328168), (855, 293624), (867, 289560), (969, 259080), (1016, 247095), (1020, 246126), (1140, 220218), (1143, 219640), (1156, 217170), (1224, 205105), (1270, 197676), (1292, 194310), (1368, 183515), (1445, 173736), (1524, 164730), (1530, 164084), (1615, 155448), (1710, 146812), (1734, 144780), (1905, 131784), (1938, 129540), (2040, 123063), (2159, 116280), (2280, 110109), (2286, 109820), (2312, 108585), (2413, 104040), (2540, 98838), (2584, 97155), (2601, 96520), (2890, 86868), (2907, 86360), (3048, 82365), (3060, 82042), (3230, 77724), (3420, 73406), (3468, 72390), (3810, 65892), (3876, 64770), (4318, 58140), (4335, 57912), (4572, 54910), (4826, 52020), (4845, 51816), (5080, 49419), (5202, 48260), (5491, 45720), (5715, 43928), (5780, 43434), (5814, 43180), (6120, 41021), (6460, 38862), (6477, 38760), (6840, 36703), (6936, 36195), (7239, 34680), (7620, 32946), (7752, 32385), (8636, 29070), (8670, 28956), (9144, 27455), (9652, 26010), (9690, 25908), (10404, 24130), (10795, 23256), (10982, 22860), (11430, 21964), (11560, 21717), (11628, 21590), (12065, 20808), (12920, 19431), (12954, 19380), (13005, 19304), (14478, 17340), (14535, 17272), (15240, 16473)]