31064880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2$

素因数の和:116

約数の個数: 240

約数和(自身を含む): 123063552

約数和(自身を除く): 91998672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 41, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 82, 84, 88, 105, 110, 112, 120, 123, 132, 140, 154, 164, 165, 168, 176, 205, 210, 220, 231, 240, 246, 264, 280, 287, 308, 328, 330, 336, 385, 410, 420, 440, 451, 462, 492, 528, 560, 574, 615, 616, 656, 660, 770, 820, 840, 861, 880, 902, 924, 984, 1148, 1155, 1230, 1232, 1320, 1353, 1435, 1540, 1640, 1680, 1681, 1722, 1804, 1848, 1968, 2255, 2296, 2310, 2460, 2640, 2706, 2870, 3080, 3157, 3280, 3362, 3444, 3608, 3696, 4305, 4510, 4592, 4620, 4920, 5043, 5412, 5740, 6160, 6314, 6724, 6765, 6888, 7216, 8405, 8610, 9020, 9240, 9471, 9840, 10086, 10824, 11480, 11767, 12628, 13448, 13530, 13776, 15785, 16810, 17220, 18040, 18480, 18491, 18942, 20172, 21648, 22960, 23534, 25215, 25256, 26896, 27060, 31570, 33620, 34440, 35301, 36080, 36982, 37884, 40344, 47068, 47355, 50430, 50512, 54120, 55473, 58835, 63140, 67240, 68880, 70602, 73964, 75768, 80688, 92455, 94136, 94710, 100860, 108240, 110946, 117670, 126280, 129437, 134480, 141204, 147928, 151536, 176505, 184910, 188272, 189420, 201720, 221892, 235340, 252560, 258874, 277365, 282408, 295856, 353010, 369820, 378840, 388311, 403440, 443784, 470680, 517748, 554730, 564816, 647185, 706020, 739640, 757680, 776622, 887568, 941360, 1035496, 1109460, 1294370, 1412040, 1479280, 1553244, 1941555, 2070992, 2218920, 2588740, 2824080, 3106488, 3883110, 4437840, 5177480, 6212976, 7766220, 10354960, 15532440, 31064880]

約数ペア:

[(1, 31064880), (2, 15532440), (3, 10354960), (4, 7766220), (5, 6212976), (6, 5177480), (7, 4437840), (8, 3883110), (10, 3106488), (11, 2824080), (12, 2588740), (14, 2218920), (15, 2070992), (16, 1941555), (20, 1553244), (21, 1479280), (22, 1412040), (24, 1294370), (28, 1109460), (30, 1035496), (33, 941360), (35, 887568), (40, 776622), (41, 757680), (42, 739640), (44, 706020), (48, 647185), (55, 564816), (56, 554730), (60, 517748), (66, 470680), (70, 443784), (77, 403440), (80, 388311), (82, 378840), (84, 369820), (88, 353010), (105, 295856), (110, 282408), (112, 277365), (120, 258874), (123, 252560), (132, 235340), (140, 221892), (154, 201720), (164, 189420), (165, 188272), (168, 184910), (176, 176505), (205, 151536), (210, 147928), (220, 141204), (231, 134480), (240, 129437), (246, 126280), (264, 117670), (280, 110946), (287, 108240), (308, 100860), (328, 94710), (330, 94136), (336, 92455), (385, 80688), (410, 75768), (420, 73964), (440, 70602), (451, 68880), (462, 67240), (492, 63140), (528, 58835), (560, 55473), (574, 54120), (615, 50512), (616, 50430), (656, 47355), (660, 47068), (770, 40344), (820, 37884), (840, 36982), (861, 36080), (880, 35301), (902, 34440), (924, 33620), (984, 31570), (1148, 27060), (1155, 26896), (1230, 25256), (1232, 25215), (1320, 23534), (1353, 22960), (1435, 21648), (1540, 20172), (1640, 18942), (1680, 18491), (1681, 18480), (1722, 18040), (1804, 17220), (1848, 16810), (1968, 15785), (2255, 13776), (2296, 13530), (2310, 13448), (2460, 12628), (2640, 11767), (2706, 11480), (2870, 10824), (3080, 10086), (3157, 9840), (3280, 9471), (3362, 9240), (3444, 9020), (3608, 8610), (3696, 8405), (4305, 7216), (4510, 6888), (4592, 6765), (4620, 6724), (4920, 6314), (5043, 6160), (5412, 5740)]