259428120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{83}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 915183360

約数和(自身を除く): 655755240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 83, 84, 105, 120, 122, 140, 166, 168, 183, 210, 244, 249, 280, 305, 332, 366, 415, 420, 427, 488, 498, 581, 610, 664, 732, 830, 840, 854, 915, 996, 1162, 1220, 1245, 1281, 1464, 1660, 1708, 1743, 1830, 1992, 2135, 2324, 2440, 2490, 2562, 2905, 3320, 3416, 3486, 3660, 3721, 4270, 4648, 4980, 5063, 5124, 5810, 6405, 6972, 7320, 7442, 8540, 8715, 9960, 10126, 10248, 11163, 11620, 12810, 13944, 14884, 15189, 17080, 17430, 18605, 20252, 22326, 23240, 25315, 25620, 26047, 29768, 30378, 34860, 35441, 37210, 40504, 44652, 50630, 51240, 52094, 55815, 60756, 69720, 70882, 74420, 75945, 78141, 89304, 101260, 104188, 106323, 111630, 121512, 130235, 141764, 148840, 151890, 156282, 177205, 202520, 208376, 212646, 223260, 260470, 283528, 303780, 308843, 312564, 354410, 390705, 425292, 446520, 520940, 531615, 607560, 617686, 625128, 708820, 781410, 850584, 926529, 1041880, 1063230, 1235372, 1417640, 1544215, 1562820, 1853058, 2126460, 2161901, 2470744, 3088430, 3125640, 3706116, 4252920, 4323802, 4632645, 6176860, 6485703, 7412232, 8647604, 9265290, 10809505, 12353720, 12971406, 17295208, 18530580, 21619010, 25942812, 32428515, 37061160, 43238020, 51885624, 64857030, 86476040, 129714060, 259428120]

約数ペア:

[(1, 259428120), (2, 129714060), (3, 86476040), (4, 64857030), (5, 51885624), (6, 43238020), (7, 37061160), (8, 32428515), (10, 25942812), (12, 21619010), (14, 18530580), (15, 17295208), (20, 12971406), (21, 12353720), (24, 10809505), (28, 9265290), (30, 8647604), (35, 7412232), (40, 6485703), (42, 6176860), (56, 4632645), (60, 4323802), (61, 4252920), (70, 3706116), (83, 3125640), (84, 3088430), (105, 2470744), (120, 2161901), (122, 2126460), (140, 1853058), (166, 1562820), (168, 1544215), (183, 1417640), (210, 1235372), (244, 1063230), (249, 1041880), (280, 926529), (305, 850584), (332, 781410), (366, 708820), (415, 625128), (420, 617686), (427, 607560), (488, 531615), (498, 520940), (581, 446520), (610, 425292), (664, 390705), (732, 354410), (830, 312564), (840, 308843), (854, 303780), (915, 283528), (996, 260470), (1162, 223260), (1220, 212646), (1245, 208376), (1281, 202520), (1464, 177205), (1660, 156282), (1708, 151890), (1743, 148840), (1830, 141764), (1992, 130235), (2135, 121512), (2324, 111630), (2440, 106323), (2490, 104188), (2562, 101260), (2905, 89304), (3320, 78141), (3416, 75945), (3486, 74420), (3660, 70882), (3721, 69720), (4270, 60756), (4648, 55815), (4980, 52094), (5063, 51240), (5124, 50630), (5810, 44652), (6405, 40504), (6972, 37210), (7320, 35441), (7442, 34860), (8540, 30378), (8715, 29768), (9960, 26047), (10126, 25620), (10248, 25315), (11163, 23240), (11620, 22326), (12810, 20252), (13944, 18605), (14884, 17430), (15189, 17080)]