197904480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 192

約数和(自身を含む): 670602240

約数和(自身を除く): 472697760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 79, 80, 85, 96, 102, 120, 136, 158, 160, 170, 204, 237, 240, 255, 272, 307, 316, 340, 395, 408, 474, 480, 510, 544, 614, 632, 680, 790, 816, 921, 948, 1020, 1185, 1228, 1264, 1343, 1360, 1535, 1580, 1632, 1842, 1896, 2040, 2370, 2456, 2528, 2686, 2720, 3070, 3160, 3684, 3792, 4029, 4080, 4605, 4740, 4912, 5219, 5372, 6140, 6320, 6715, 7368, 7584, 8058, 8160, 9210, 9480, 9824, 10438, 10744, 12280, 12640, 13430, 14736, 15657, 16116, 18420, 18960, 20145, 20876, 21488, 24253, 24560, 26095, 26860, 29472, 31314, 32232, 36840, 37920, 40290, 41752, 42976, 48506, 49120, 52190, 53720, 62628, 64464, 72759, 73680, 78285, 80580, 83504, 97012, 104380, 107440, 121265, 125256, 128928, 145518, 147360, 156570, 161160, 167008, 194024, 208760, 214880, 242530, 250512, 291036, 313140, 322320, 363795, 388048, 412301, 417520, 485060, 501024, 582072, 626280, 644640, 727590, 776096, 824602, 835040, 970120, 1164144, 1236903, 1252560, 1455180, 1649204, 1940240, 2061505, 2328288, 2473806, 2505120, 2910360, 3298408, 3880480, 4123010, 4947612, 5820720, 6184515, 6596816, 8246020, 9895224, 11641440, 12369030, 13193632, 16492040, 19790448, 24738060, 32984080, 39580896, 49476120, 65968160, 98952240, 197904480]

約数ペア:

[(1, 197904480), (2, 98952240), (3, 65968160), (4, 49476120), (5, 39580896), (6, 32984080), (8, 24738060), (10, 19790448), (12, 16492040), (15, 13193632), (16, 12369030), (17, 11641440), (20, 9895224), (24, 8246020), (30, 6596816), (32, 6184515), (34, 5820720), (40, 4947612), (48, 4123010), (51, 3880480), (60, 3298408), (68, 2910360), (79, 2505120), (80, 2473806), (85, 2328288), (96, 2061505), (102, 1940240), (120, 1649204), (136, 1455180), (158, 1252560), (160, 1236903), (170, 1164144), (204, 970120), (237, 835040), (240, 824602), (255, 776096), (272, 727590), (307, 644640), (316, 626280), (340, 582072), (395, 501024), (408, 485060), (474, 417520), (480, 412301), (510, 388048), (544, 363795), (614, 322320), (632, 313140), (680, 291036), (790, 250512), (816, 242530), (921, 214880), (948, 208760), (1020, 194024), (1185, 167008), (1228, 161160), (1264, 156570), (1343, 147360), (1360, 145518), (1535, 128928), (1580, 125256), (1632, 121265), (1842, 107440), (1896, 104380), (2040, 97012), (2370, 83504), (2456, 80580), (2528, 78285), (2686, 73680), (2720, 72759), (3070, 64464), (3160, 62628), (3684, 53720), (3792, 52190), (4029, 49120), (4080, 48506), (4605, 42976), (4740, 41752), (4912, 40290), (5219, 37920), (5372, 36840), (6140, 32232), (6320, 31314), (6715, 29472), (7368, 26860), (7584, 26095), (8058, 24560), (8160, 24253), (9210, 21488), (9480, 20876), (9824, 20145), (10438, 18960), (10744, 18420), (12280, 16116), (12640, 15657), (13430, 14736)]