31551660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:533

約数の個数: 192

約数和(自身を含む): 119024640

約数和(自身を除く): 87472980

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, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 340, 357, 378, 420, 459, 476, 491, 510, 540, 595, 612, 630, 714, 756, 765, 918, 945, 982, 1020, 1071, 1190, 1260, 1428, 1473, 1530, 1785, 1836, 1890, 1964, 2142, 2295, 2380, 2455, 2946, 3060, 3213, 3437, 3570, 3780, 4284, 4419, 4590, 4910, 5355, 5892, 6426, 6874, 7140, 7365, 8347, 8838, 9180, 9820, 10311, 10710, 12852, 13257, 13748, 14730, 16065, 16694, 17185, 17676, 20622, 21420, 22095, 25041, 26514, 29460, 30933, 32130, 33388, 34370, 41244, 41735, 44190, 50082, 51555, 53028, 58429, 61866, 64260, 66285, 68740, 75123, 83470, 88380, 92799, 100164, 103110, 116858, 123732, 125205, 132570, 150246, 154665, 166940, 175287, 185598, 206220, 225369, 233716, 250410, 265140, 292145, 300492, 309330, 350574, 371196, 375615, 450738, 463995, 500820, 525861, 584290, 618660, 701148, 751230, 876435, 901476, 927990, 1051722, 1126845, 1168580, 1502460, 1577583, 1752870, 1855980, 2103444, 2253690, 2629305, 3155166, 3505740, 4507380, 5258610, 6310332, 7887915, 10517220, 15775830, 31551660]

約数ペア:

[(1, 31551660), (2, 15775830), (3, 10517220), (4, 7887915), (5, 6310332), (6, 5258610), (7, 4507380), (9, 3505740), (10, 3155166), (12, 2629305), (14, 2253690), (15, 2103444), (17, 1855980), (18, 1752870), (20, 1577583), (21, 1502460), (27, 1168580), (28, 1126845), (30, 1051722), (34, 927990), (35, 901476), (36, 876435), (42, 751230), (45, 701148), (51, 618660), (54, 584290), (60, 525861), (63, 500820), (68, 463995), (70, 450738), (84, 375615), (85, 371196), (90, 350574), (102, 309330), (105, 300492), (108, 292145), (119, 265140), (126, 250410), (135, 233716), (140, 225369), (153, 206220), (170, 185598), (180, 175287), (189, 166940), (204, 154665), (210, 150246), (238, 132570), (252, 125205), (255, 123732), (270, 116858), (306, 103110), (315, 100164), (340, 92799), (357, 88380), (378, 83470), (420, 75123), (459, 68740), (476, 66285), (491, 64260), (510, 61866), (540, 58429), (595, 53028), (612, 51555), (630, 50082), (714, 44190), (756, 41735), (765, 41244), (918, 34370), (945, 33388), (982, 32130), (1020, 30933), (1071, 29460), (1190, 26514), (1260, 25041), (1428, 22095), (1473, 21420), (1530, 20622), (1785, 17676), (1836, 17185), (1890, 16694), (1964, 16065), (2142, 14730), (2295, 13748), (2380, 13257), (2455, 12852), (2946, 10710), (3060, 10311), (3213, 9820), (3437, 9180), (3570, 8838), (3780, 8347), (4284, 7365), (4419, 7140), (4590, 6874), (4910, 6426), (5355, 5892)]