31423140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 240

約数和(自身を含む): 120016512

約数和(自身を除く): 88593372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 162, 163, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 324, 326, 340, 357, 378, 405, 420, 459, 476, 489, 510, 540, 567, 595, 612, 630, 652, 714, 756, 765, 810, 815, 918, 945, 978, 1020, 1071, 1134, 1141, 1190, 1260, 1377, 1428, 1467, 1530, 1620, 1630, 1785, 1836, 1890, 1956, 2142, 2268, 2282, 2295, 2380, 2445, 2754, 2771, 2835, 2934, 3060, 3213, 3260, 3423, 3570, 3780, 4284, 4401, 4564, 4590, 4890, 5355, 5508, 5542, 5670, 5705, 5868, 6426, 6846, 6885, 7140, 7335, 8313, 8802, 9180, 9639, 9780, 10269, 10710, 11084, 11340, 11410, 12852, 13203, 13692, 13770, 13855, 14670, 16065, 16626, 17115, 17604, 19278, 19397, 20538, 21420, 22005, 22820, 24939, 26406, 27540, 27710, 29340, 30807, 32130, 33252, 34230, 38556, 38794, 41076, 41565, 44010, 48195, 49878, 51345, 52812, 55420, 58191, 61614, 64260, 66015, 68460, 74817, 77588, 83130, 88020, 92421, 96390, 96985, 99756, 102690, 116382, 123228, 124695, 132030, 149634, 154035, 166260, 174573, 184842, 192780, 193970, 205380, 224451, 232764, 249390, 264060, 290955, 299268, 308070, 349146, 369684, 374085, 387940, 448902, 462105, 498780, 523719, 581910, 616140, 698292, 748170, 872865, 897804, 924210, 1047438, 1122255, 1163820, 1496340, 1571157, 1745730, 1848420, 2094876, 2244510, 2618595, 3142314, 3491460, 4489020, 5237190, 6284628, 7855785, 10474380, 15711570, 31423140]

約数ペア:

[(1, 31423140), (2, 15711570), (3, 10474380), (4, 7855785), (5, 6284628), (6, 5237190), (7, 4489020), (9, 3491460), (10, 3142314), (12, 2618595), (14, 2244510), (15, 2094876), (17, 1848420), (18, 1745730), (20, 1571157), (21, 1496340), (27, 1163820), (28, 1122255), (30, 1047438), (34, 924210), (35, 897804), (36, 872865), (42, 748170), (45, 698292), (51, 616140), (54, 581910), (60, 523719), (63, 498780), (68, 462105), (70, 448902), (81, 387940), (84, 374085), (85, 369684), (90, 349146), (102, 308070), (105, 299268), (108, 290955), (119, 264060), (126, 249390), (135, 232764), (140, 224451), (153, 205380), (162, 193970), (163, 192780), (170, 184842), (180, 174573), (189, 166260), (204, 154035), (210, 149634), (238, 132030), (252, 124695), (255, 123228), (270, 116382), (306, 102690), (315, 99756), (324, 96985), (326, 96390), (340, 92421), (357, 88020), (378, 83130), (405, 77588), (420, 74817), (459, 68460), (476, 66015), (489, 64260), (510, 61614), (540, 58191), (567, 55420), (595, 52812), (612, 51345), (630, 49878), (652, 48195), (714, 44010), (756, 41565), (765, 41076), (810, 38794), (815, 38556), (918, 34230), (945, 33252), (978, 32130), (1020, 30807), (1071, 29340), (1134, 27710), (1141, 27540), (1190, 26406), (1260, 24939), (1377, 22820), (1428, 22005), (1467, 21420), (1530, 20538), (1620, 19397), (1630, 19278), (1785, 17604), (1836, 17115), (1890, 16626), (1956, 16065), (2142, 14670), (2268, 13855), (2282, 13770), (2295, 13692), (2380, 13203), (2445, 12852), (2754, 11410), (2771, 11340), (2835, 11084), (2934, 10710), (3060, 10269), (3213, 9780), (3260, 9639), (3423, 9180), (3570, 8802), (3780, 8313), (4284, 7335), (4401, 7140), (4564, 6885), (4590, 6846), (4890, 6426), (5355, 5868), (5508, 5705), (5542, 5670)]