31261680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 160

約数和(自身を含む): 110617920

約数和(自身を除く): 79356240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 72, 80, 82, 90, 108, 120, 123, 135, 144, 164, 180, 205, 216, 240, 246, 270, 328, 353, 360, 369, 410, 432, 492, 540, 615, 656, 706, 720, 738, 820, 984, 1059, 1080, 1107, 1230, 1412, 1476, 1640, 1765, 1845, 1968, 2118, 2160, 2214, 2460, 2824, 2952, 3177, 3280, 3530, 3690, 4236, 4428, 4920, 5295, 5535, 5648, 5904, 6354, 7060, 7380, 8472, 8856, 9531, 9840, 10590, 11070, 12708, 14120, 14473, 14760, 15885, 16944, 17712, 19062, 21180, 22140, 25416, 28240, 28946, 29520, 31770, 38124, 42360, 43419, 44280, 47655, 50832, 57892, 63540, 72365, 76248, 84720, 86838, 88560, 95310, 115784, 127080, 130257, 144730, 152496, 173676, 190620, 217095, 231568, 254160, 260514, 289460, 347352, 381240, 390771, 434190, 521028, 578920, 651285, 694704, 762480, 781542, 868380, 1042056, 1157840, 1302570, 1563084, 1736760, 1953855, 2084112, 2605140, 3126168, 3473520, 3907710, 5210280, 6252336, 7815420, 10420560, 15630840, 31261680]

約数ペア:

[(1, 31261680), (2, 15630840), (3, 10420560), (4, 7815420), (5, 6252336), (6, 5210280), (8, 3907710), (9, 3473520), (10, 3126168), (12, 2605140), (15, 2084112), (16, 1953855), (18, 1736760), (20, 1563084), (24, 1302570), (27, 1157840), (30, 1042056), (36, 868380), (40, 781542), (41, 762480), (45, 694704), (48, 651285), (54, 578920), (60, 521028), (72, 434190), (80, 390771), (82, 381240), (90, 347352), (108, 289460), (120, 260514), (123, 254160), (135, 231568), (144, 217095), (164, 190620), (180, 173676), (205, 152496), (216, 144730), (240, 130257), (246, 127080), (270, 115784), (328, 95310), (353, 88560), (360, 86838), (369, 84720), (410, 76248), (432, 72365), (492, 63540), (540, 57892), (615, 50832), (656, 47655), (706, 44280), (720, 43419), (738, 42360), (820, 38124), (984, 31770), (1059, 29520), (1080, 28946), (1107, 28240), (1230, 25416), (1412, 22140), (1476, 21180), (1640, 19062), (1765, 17712), (1845, 16944), (1968, 15885), (2118, 14760), (2160, 14473), (2214, 14120), (2460, 12708), (2824, 11070), (2952, 10590), (3177, 9840), (3280, 9531), (3530, 8856), (3690, 8472), (4236, 7380), (4428, 7060), (4920, 6354), (5295, 5904), (5535, 5648)]