290067960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:398

約数の個数: 256

約数和(自身を含む): 1085736960

約数和(自身を除く): 795669000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 101, 104, 105, 120, 130, 140, 156, 168, 182, 195, 202, 210, 260, 263, 273, 280, 303, 312, 364, 390, 404, 420, 455, 505, 520, 526, 546, 606, 707, 728, 780, 789, 808, 840, 910, 1010, 1052, 1092, 1212, 1313, 1315, 1365, 1414, 1515, 1560, 1578, 1820, 1841, 2020, 2104, 2121, 2184, 2424, 2626, 2630, 2730, 2828, 3030, 3156, 3419, 3535, 3640, 3682, 3939, 3945, 4040, 4242, 5252, 5260, 5460, 5523, 5656, 6060, 6312, 6565, 6838, 7070, 7364, 7878, 7890, 8484, 9191, 9205, 10257, 10504, 10520, 10605, 10920, 11046, 12120, 13130, 13676, 14140, 14728, 15756, 15780, 16968, 17095, 18382, 18410, 19695, 20514, 21210, 22092, 23933, 26260, 26563, 27352, 27573, 27615, 28280, 31512, 31560, 34190, 36764, 36820, 39390, 41028, 42420, 44184, 45955, 47866, 51285, 52520, 53126, 55146, 55230, 68380, 71799, 73528, 73640, 78780, 79689, 82056, 84840, 91910, 95732, 102570, 106252, 110292, 110460, 119665, 132815, 136760, 137865, 143598, 157560, 159378, 183820, 185941, 191464, 205140, 212504, 220584, 220920, 239330, 265630, 275730, 287196, 318756, 345319, 358995, 367640, 371882, 398445, 410280, 478660, 531260, 551460, 557823, 574392, 637512, 690638, 717990, 743764, 796890, 929705, 957320, 1035957, 1062520, 1102920, 1115646, 1381276, 1435980, 1487528, 1593780, 1726595, 1859410, 2071914, 2231292, 2417233, 2762552, 2789115, 2871960, 3187560, 3453190, 3718820, 4143828, 4462584, 4834466, 5179785, 5578230, 6906380, 7251699, 7437640, 8287656, 9668932, 10359570, 11156460, 12086165, 13812760, 14503398, 19337864, 20719140, 22312920, 24172330, 29006796, 36258495, 41438280, 48344660, 58013592, 72516990, 96689320, 145033980, 290067960]

約数ペア:

[(1, 290067960), (2, 145033980), (3, 96689320), (4, 72516990), (5, 58013592), (6, 48344660), (7, 41438280), (8, 36258495), (10, 29006796), (12, 24172330), (13, 22312920), (14, 20719140), (15, 19337864), (20, 14503398), (21, 13812760), (24, 12086165), (26, 11156460), (28, 10359570), (30, 9668932), (35, 8287656), (39, 7437640), (40, 7251699), (42, 6906380), (52, 5578230), (56, 5179785), (60, 4834466), (65, 4462584), (70, 4143828), (78, 3718820), (84, 3453190), (91, 3187560), (101, 2871960), (104, 2789115), (105, 2762552), (120, 2417233), (130, 2231292), (140, 2071914), (156, 1859410), (168, 1726595), (182, 1593780), (195, 1487528), (202, 1435980), (210, 1381276), (260, 1115646), (263, 1102920), (273, 1062520), (280, 1035957), (303, 957320), (312, 929705), (364, 796890), (390, 743764), (404, 717990), (420, 690638), (455, 637512), (505, 574392), (520, 557823), (526, 551460), (546, 531260), (606, 478660), (707, 410280), (728, 398445), (780, 371882), (789, 367640), (808, 358995), (840, 345319), (910, 318756), (1010, 287196), (1052, 275730), (1092, 265630), (1212, 239330), (1313, 220920), (1315, 220584), (1365, 212504), (1414, 205140), (1515, 191464), (1560, 185941), (1578, 183820), (1820, 159378), (1841, 157560), (2020, 143598), (2104, 137865), (2121, 136760), (2184, 132815), (2424, 119665), (2626, 110460), (2630, 110292), (2730, 106252), (2828, 102570), (3030, 95732), (3156, 91910), (3419, 84840), (3535, 82056), (3640, 79689), (3682, 78780), (3939, 73640), (3945, 73528), (4040, 71799), (4242, 68380), (5252, 55230), (5260, 55146), (5460, 53126), (5523, 52520), (5656, 51285), (6060, 47866), (6312, 45955), (6565, 44184), (6838, 42420), (7070, 41028), (7364, 39390), (7878, 36820), (7890, 36764), (8484, 34190), (9191, 31560), (9205, 31512), (10257, 28280), (10504, 27615), (10520, 27573), (10605, 27352), (10920, 26563), (11046, 26260), (12120, 23933), (13130, 22092), (13676, 21210), (14140, 20514), (14728, 19695), (15756, 18410), (15780, 18382), (16968, 17095)]