1215694980

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:645

約数の個数: 168

約数和(自身を含む): 3856104000

約数和(自身を除く): 2640409020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 199, 243, 270, 324, 398, 405, 419, 486, 540, 597, 729, 796, 810, 838, 972, 995, 1194, 1215, 1257, 1458, 1620, 1676, 1791, 1990, 2095, 2388, 2430, 2514, 2916, 2985, 3582, 3645, 3771, 3980, 4190, 4860, 5028, 5373, 5970, 6285, 7164, 7290, 7542, 8380, 8955, 10746, 11313, 11940, 12570, 14580, 15084, 16119, 17910, 18855, 21492, 22626, 25140, 26865, 32238, 33939, 35820, 37710, 45252, 48357, 53730, 56565, 64476, 67878, 75420, 80595, 83381, 96714, 101817, 107460, 113130, 135756, 145071, 161190, 166762, 169695, 193428, 203634, 226260, 241785, 250143, 290142, 305451, 322380, 333524, 339390, 407268, 416905, 483570, 500286, 509085, 580284, 610902, 678780, 725355, 750429, 833810, 967140, 1000572, 1018170, 1221804, 1250715, 1450710, 1500858, 1527255, 1667620, 2036340, 2251287, 2501430, 2901420, 3001716, 3054510, 3752145, 4502574, 5002860, 6109020, 6753861, 7504290, 9005148, 11256435, 13507722, 15008580, 20261583, 22512870, 27015444, 33769305, 40523166, 45025740, 60784749, 67538610, 81046332, 101307915, 121569498, 135077220, 202615830, 243138996, 303923745, 405231660, 607847490, 1215694980]

約数ペア:

[(1, 1215694980), (2, 607847490), (3, 405231660), (4, 303923745), (5, 243138996), (6, 202615830), (9, 135077220), (10, 121569498), (12, 101307915), (15, 81046332), (18, 67538610), (20, 60784749), (27, 45025740), (30, 40523166), (36, 33769305), (45, 27015444), (54, 22512870), (60, 20261583), (81, 15008580), (90, 13507722), (108, 11256435), (135, 9005148), (162, 7504290), (180, 6753861), (199, 6109020), (243, 5002860), (270, 4502574), (324, 3752145), (398, 3054510), (405, 3001716), (419, 2901420), (486, 2501430), (540, 2251287), (597, 2036340), (729, 1667620), (796, 1527255), (810, 1500858), (838, 1450710), (972, 1250715), (995, 1221804), (1194, 1018170), (1215, 1000572), (1257, 967140), (1458, 833810), (1620, 750429), (1676, 725355), (1791, 678780), (1990, 610902), (2095, 580284), (2388, 509085), (2430, 500286), (2514, 483570), (2916, 416905), (2985, 407268), (3582, 339390), (3645, 333524), (3771, 322380), (3980, 305451), (4190, 290142), (4860, 250143), (5028, 241785), (5373, 226260), (5970, 203634), (6285, 193428), (7164, 169695), (7290, 166762), (7542, 161190), (8380, 145071), (8955, 135756), (10746, 113130), (11313, 107460), (11940, 101817), (12570, 96714), (14580, 83381), (15084, 80595), (16119, 75420), (17910, 67878), (18855, 64476), (21492, 56565), (22626, 53730), (25140, 48357), (26865, 45252), (32238, 37710), (33939, 35820)]