31281360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 240

約数和(自身を含む): 115117632

約数和(自身を除く): 83836272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 41, 44, 48, 51, 55, 60, 66, 68, 80, 82, 85, 88, 102, 110, 120, 123, 132, 136, 164, 165, 170, 176, 187, 204, 205, 220, 240, 246, 255, 264, 272, 289, 328, 330, 340, 374, 408, 410, 440, 451, 492, 510, 528, 561, 578, 615, 656, 660, 680, 697, 748, 816, 820, 867, 880, 902, 935, 984, 1020, 1122, 1156, 1230, 1320, 1353, 1360, 1394, 1445, 1496, 1640, 1734, 1804, 1870, 1968, 2040, 2091, 2244, 2255, 2312, 2460, 2640, 2706, 2788, 2805, 2890, 2992, 3179, 3280, 3468, 3485, 3608, 3740, 4080, 4182, 4335, 4488, 4510, 4624, 4920, 5412, 5576, 5610, 5780, 6358, 6765, 6936, 6970, 7216, 7480, 7667, 8364, 8670, 8976, 9020, 9537, 9840, 10455, 10824, 11152, 11220, 11560, 11849, 12716, 13530, 13872, 13940, 14960, 15334, 15895, 16728, 17340, 18040, 19074, 20910, 21648, 22440, 23001, 23120, 23698, 25432, 27060, 27880, 30668, 31790, 33456, 34680, 35547, 36080, 38148, 38335, 41820, 44880, 46002, 47396, 47685, 50864, 54120, 55760, 59245, 61336, 63580, 69360, 71094, 76296, 76670, 83640, 92004, 94792, 95370, 108240, 115005, 118490, 122672, 127160, 130339, 142188, 152592, 153340, 167280, 177735, 184008, 189584, 190740, 230010, 236980, 254320, 260678, 284376, 306680, 355470, 368016, 381480, 391017, 460020, 473960, 521356, 568752, 613360, 651695, 710940, 762960, 782034, 920040, 947920, 1042712, 1303390, 1421880, 1564068, 1840080, 1955085, 2085424, 2606780, 2843760, 3128136, 3910170, 5213560, 6256272, 7820340, 10427120, 15640680, 31281360]

約数ペア:

[(1, 31281360), (2, 15640680), (3, 10427120), (4, 7820340), (5, 6256272), (6, 5213560), (8, 3910170), (10, 3128136), (11, 2843760), (12, 2606780), (15, 2085424), (16, 1955085), (17, 1840080), (20, 1564068), (22, 1421880), (24, 1303390), (30, 1042712), (33, 947920), (34, 920040), (40, 782034), (41, 762960), (44, 710940), (48, 651695), (51, 613360), (55, 568752), (60, 521356), (66, 473960), (68, 460020), (80, 391017), (82, 381480), (85, 368016), (88, 355470), (102, 306680), (110, 284376), (120, 260678), (123, 254320), (132, 236980), (136, 230010), (164, 190740), (165, 189584), (170, 184008), (176, 177735), (187, 167280), (204, 153340), (205, 152592), (220, 142188), (240, 130339), (246, 127160), (255, 122672), (264, 118490), (272, 115005), (289, 108240), (328, 95370), (330, 94792), (340, 92004), (374, 83640), (408, 76670), (410, 76296), (440, 71094), (451, 69360), (492, 63580), (510, 61336), (528, 59245), (561, 55760), (578, 54120), (615, 50864), (656, 47685), (660, 47396), (680, 46002), (697, 44880), (748, 41820), (816, 38335), (820, 38148), (867, 36080), (880, 35547), (902, 34680), (935, 33456), (984, 31790), (1020, 30668), (1122, 27880), (1156, 27060), (1230, 25432), (1320, 23698), (1353, 23120), (1360, 23001), (1394, 22440), (1445, 21648), (1496, 20910), (1640, 19074), (1734, 18040), (1804, 17340), (1870, 16728), (1968, 15895), (2040, 15334), (2091, 14960), (2244, 13940), (2255, 13872), (2312, 13530), (2460, 12716), (2640, 11849), (2706, 11560), (2788, 11220), (2805, 11152), (2890, 10824), (2992, 10455), (3179, 9840), (3280, 9537), (3468, 9020), (3485, 8976), (3608, 8670), (3740, 8364), (4080, 7667), (4182, 7480), (4335, 7216), (4488, 6970), (4510, 6936), (4624, 6765), (4920, 6358), (5412, 5780), (5576, 5610)]