31150980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 116113536

約数和(自身を除く): 84962556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 67, 70, 81, 82, 84, 90, 105, 108, 123, 126, 134, 135, 140, 162, 164, 180, 189, 201, 205, 210, 246, 252, 268, 270, 287, 315, 324, 335, 369, 378, 402, 405, 410, 420, 469, 492, 540, 567, 574, 603, 615, 630, 670, 738, 756, 804, 810, 820, 861, 938, 945, 1005, 1107, 1134, 1148, 1206, 1230, 1260, 1340, 1407, 1435, 1476, 1620, 1722, 1809, 1845, 1876, 1890, 2010, 2214, 2268, 2345, 2412, 2460, 2583, 2747, 2814, 2835, 2870, 3015, 3321, 3444, 3618, 3690, 3780, 4020, 4221, 4305, 4428, 4690, 5166, 5427, 5494, 5535, 5628, 5670, 5740, 6030, 6642, 7035, 7236, 7380, 7749, 8241, 8442, 8610, 9045, 9380, 10332, 10854, 10988, 11070, 11340, 12060, 12663, 12915, 13284, 13735, 14070, 15498, 16482, 16605, 16884, 17220, 18090, 19229, 21105, 21708, 22140, 23247, 24723, 25326, 25830, 27135, 27470, 28140, 30996, 32964, 33210, 36180, 37989, 38458, 38745, 41205, 42210, 46494, 49446, 50652, 51660, 54270, 54940, 57687, 63315, 66420, 74169, 75978, 76916, 77490, 82410, 84420, 92988, 96145, 98892, 108540, 115374, 116235, 123615, 126630, 148338, 151956, 154980, 164820, 173061, 189945, 192290, 222507, 230748, 232470, 247230, 253260, 288435, 296676, 346122, 370845, 379890, 384580, 445014, 464940, 494460, 519183, 576870, 692244, 741690, 759780, 865305, 890028, 1038366, 1112535, 1153740, 1483380, 1557549, 1730610, 2076732, 2225070, 2595915, 3115098, 3461220, 4450140, 5191830, 6230196, 7787745, 10383660, 15575490, 31150980]

約数ペア:

[(1, 31150980), (2, 15575490), (3, 10383660), (4, 7787745), (5, 6230196), (6, 5191830), (7, 4450140), (9, 3461220), (10, 3115098), (12, 2595915), (14, 2225070), (15, 2076732), (18, 1730610), (20, 1557549), (21, 1483380), (27, 1153740), (28, 1112535), (30, 1038366), (35, 890028), (36, 865305), (41, 759780), (42, 741690), (45, 692244), (54, 576870), (60, 519183), (63, 494460), (67, 464940), (70, 445014), (81, 384580), (82, 379890), (84, 370845), (90, 346122), (105, 296676), (108, 288435), (123, 253260), (126, 247230), (134, 232470), (135, 230748), (140, 222507), (162, 192290), (164, 189945), (180, 173061), (189, 164820), (201, 154980), (205, 151956), (210, 148338), (246, 126630), (252, 123615), (268, 116235), (270, 115374), (287, 108540), (315, 98892), (324, 96145), (335, 92988), (369, 84420), (378, 82410), (402, 77490), (405, 76916), (410, 75978), (420, 74169), (469, 66420), (492, 63315), (540, 57687), (567, 54940), (574, 54270), (603, 51660), (615, 50652), (630, 49446), (670, 46494), (738, 42210), (756, 41205), (804, 38745), (810, 38458), (820, 37989), (861, 36180), (938, 33210), (945, 32964), (1005, 30996), (1107, 28140), (1134, 27470), (1148, 27135), (1206, 25830), (1230, 25326), (1260, 24723), (1340, 23247), (1407, 22140), (1435, 21708), (1476, 21105), (1620, 19229), (1722, 18090), (1809, 17220), (1845, 16884), (1876, 16605), (1890, 16482), (2010, 15498), (2214, 14070), (2268, 13735), (2345, 13284), (2412, 12915), (2460, 12663), (2583, 12060), (2747, 11340), (2814, 11070), (2835, 10988), (2870, 10854), (3015, 10332), (3321, 9380), (3444, 9045), (3618, 8610), (3690, 8442), (3780, 8241), (4020, 7749), (4221, 7380), (4305, 7236), (4428, 7035), (4690, 6642), (5166, 6030), (5427, 5740), (5494, 5670), (5535, 5628)]