31455270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 256

約数和(自身を含む): 111974400

約数和(自身を除く): 80519130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 17, 18, 21, 22, 27, 30, 33, 34, 35, 42, 45, 51, 54, 55, 63, 66, 70, 77, 85, 89, 90, 99, 102, 105, 110, 119, 126, 135, 153, 154, 165, 170, 178, 187, 189, 198, 210, 231, 238, 255, 267, 270, 297, 306, 315, 330, 357, 374, 378, 385, 445, 459, 462, 495, 510, 534, 561, 594, 595, 623, 630, 693, 714, 765, 770, 801, 890, 918, 935, 945, 979, 990, 1071, 1122, 1155, 1190, 1246, 1309, 1335, 1386, 1485, 1513, 1530, 1602, 1683, 1785, 1869, 1870, 1890, 1958, 2079, 2142, 2295, 2310, 2403, 2618, 2670, 2805, 2937, 2970, 3026, 3115, 3213, 3366, 3465, 3570, 3738, 3927, 4005, 4158, 4539, 4590, 4806, 4895, 5049, 5355, 5607, 5610, 5874, 6230, 6426, 6545, 6853, 6930, 7565, 7854, 8010, 8415, 8811, 9078, 9345, 9790, 10098, 10395, 10591, 10710, 11214, 11781, 12015, 13090, 13617, 13706, 14685, 15130, 16065, 16643, 16821, 16830, 17622, 18690, 19635, 20559, 20790, 21182, 22695, 23562, 24030, 25245, 26433, 27234, 28035, 29370, 31773, 32130, 33286, 33642, 34265, 35343, 39270, 40851, 41118, 44055, 45390, 49929, 50490, 52866, 52955, 56070, 58905, 61677, 63546, 68085, 68530, 70686, 81702, 83215, 84105, 88110, 95319, 99858, 102795, 105910, 116501, 117810, 123354, 132165, 136170, 149787, 158865, 166430, 168210, 176715, 185031, 190638, 204255, 205590, 233002, 249645, 264330, 285957, 299574, 308385, 317730, 349503, 353430, 370062, 408510, 449361, 476595, 499290, 571914, 582505, 616770, 699006, 748935, 898722, 925155, 953190, 1048509, 1165010, 1429785, 1497870, 1747515, 1850310, 2097018, 2246805, 2859570, 3145527, 3495030, 4493610, 5242545, 6291054, 10485090, 15727635, 31455270]

約数ペア:

[(1, 31455270), (2, 15727635), (3, 10485090), (5, 6291054), (6, 5242545), (7, 4493610), (9, 3495030), (10, 3145527), (11, 2859570), (14, 2246805), (15, 2097018), (17, 1850310), (18, 1747515), (21, 1497870), (22, 1429785), (27, 1165010), (30, 1048509), (33, 953190), (34, 925155), (35, 898722), (42, 748935), (45, 699006), (51, 616770), (54, 582505), (55, 571914), (63, 499290), (66, 476595), (70, 449361), (77, 408510), (85, 370062), (89, 353430), (90, 349503), (99, 317730), (102, 308385), (105, 299574), (110, 285957), (119, 264330), (126, 249645), (135, 233002), (153, 205590), (154, 204255), (165, 190638), (170, 185031), (178, 176715), (187, 168210), (189, 166430), (198, 158865), (210, 149787), (231, 136170), (238, 132165), (255, 123354), (267, 117810), (270, 116501), (297, 105910), (306, 102795), (315, 99858), (330, 95319), (357, 88110), (374, 84105), (378, 83215), (385, 81702), (445, 70686), (459, 68530), (462, 68085), (495, 63546), (510, 61677), (534, 58905), (561, 56070), (594, 52955), (595, 52866), (623, 50490), (630, 49929), (693, 45390), (714, 44055), (765, 41118), (770, 40851), (801, 39270), (890, 35343), (918, 34265), (935, 33642), (945, 33286), (979, 32130), (990, 31773), (1071, 29370), (1122, 28035), (1155, 27234), (1190, 26433), (1246, 25245), (1309, 24030), (1335, 23562), (1386, 22695), (1485, 21182), (1513, 20790), (1530, 20559), (1602, 19635), (1683, 18690), (1785, 17622), (1869, 16830), (1870, 16821), (1890, 16643), (1958, 16065), (2079, 15130), (2142, 14685), (2295, 13706), (2310, 13617), (2403, 13090), (2618, 12015), (2670, 11781), (2805, 11214), (2937, 10710), (2970, 10591), (3026, 10395), (3115, 10098), (3213, 9790), (3366, 9345), (3465, 9078), (3570, 8811), (3738, 8415), (3927, 8010), (4005, 7854), (4158, 7565), (4539, 6930), (4590, 6853), (4806, 6545), (4895, 6426), (5049, 6230), (5355, 5874), (5607, 5610)]