391346640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 240

約数和(自身を含む): 1399035456

約数和(自身を除く): 1007688816

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, 81, 82, 90, 108, 120, 123, 135, 144, 162, 164, 180, 205, 216, 240, 243, 246, 270, 324, 328, 360, 369, 405, 410, 432, 486, 491, 492, 540, 615, 648, 656, 720, 738, 810, 820, 972, 982, 984, 1080, 1107, 1215, 1230, 1296, 1473, 1476, 1620, 1640, 1845, 1944, 1964, 1968, 2160, 2214, 2430, 2455, 2460, 2946, 2952, 3240, 3280, 3321, 3690, 3888, 3928, 4419, 4428, 4860, 4910, 4920, 5535, 5892, 5904, 6480, 6642, 7365, 7380, 7856, 8838, 8856, 9720, 9820, 9840, 9963, 11070, 11784, 13257, 13284, 14730, 14760, 16605, 17676, 17712, 19440, 19640, 19926, 20131, 22095, 22140, 23568, 26514, 26568, 29460, 29520, 33210, 35352, 39280, 39771, 39852, 40262, 44190, 44280, 49815, 53028, 53136, 58920, 60393, 66285, 66420, 70704, 79542, 79704, 80524, 88380, 88560, 99630, 100655, 106056, 117840, 119313, 120786, 132570, 132840, 159084, 159408, 161048, 176760, 181179, 198855, 199260, 201310, 212112, 238626, 241572, 265140, 265680, 301965, 318168, 322096, 353520, 362358, 397710, 398520, 402620, 477252, 483144, 530280, 543537, 596565, 603930, 636336, 724716, 795420, 797040, 805240, 905895, 954504, 966288, 1060560, 1087074, 1193130, 1207860, 1449432, 1590840, 1610480, 1630611, 1811790, 1909008, 2174148, 2386260, 2415720, 2717685, 2898864, 3181680, 3261222, 3623580, 4348296, 4772520, 4831440, 4891833, 5435370, 6522444, 7247160, 8153055, 8696592, 9545040, 9783666, 10870740, 13044888, 14494320, 16306110, 19567332, 21741480, 24459165, 26089776, 32612220, 39134664, 43482960, 48918330, 65224440, 78269328, 97836660, 130448880, 195673320, 391346640]

約数ペア:

[(1, 391346640), (2, 195673320), (3, 130448880), (4, 97836660), (5, 78269328), (6, 65224440), (8, 48918330), (9, 43482960), (10, 39134664), (12, 32612220), (15, 26089776), (16, 24459165), (18, 21741480), (20, 19567332), (24, 16306110), (27, 14494320), (30, 13044888), (36, 10870740), (40, 9783666), (41, 9545040), (45, 8696592), (48, 8153055), (54, 7247160), (60, 6522444), (72, 5435370), (80, 4891833), (81, 4831440), (82, 4772520), (90, 4348296), (108, 3623580), (120, 3261222), (123, 3181680), (135, 2898864), (144, 2717685), (162, 2415720), (164, 2386260), (180, 2174148), (205, 1909008), (216, 1811790), (240, 1630611), (243, 1610480), (246, 1590840), (270, 1449432), (324, 1207860), (328, 1193130), (360, 1087074), (369, 1060560), (405, 966288), (410, 954504), (432, 905895), (486, 805240), (491, 797040), (492, 795420), (540, 724716), (615, 636336), (648, 603930), (656, 596565), (720, 543537), (738, 530280), (810, 483144), (820, 477252), (972, 402620), (982, 398520), (984, 397710), (1080, 362358), (1107, 353520), (1215, 322096), (1230, 318168), (1296, 301965), (1473, 265680), (1476, 265140), (1620, 241572), (1640, 238626), (1845, 212112), (1944, 201310), (1964, 199260), (1968, 198855), (2160, 181179), (2214, 176760), (2430, 161048), (2455, 159408), (2460, 159084), (2946, 132840), (2952, 132570), (3240, 120786), (3280, 119313), (3321, 117840), (3690, 106056), (3888, 100655), (3928, 99630), (4419, 88560), (4428, 88380), (4860, 80524), (4910, 79704), (4920, 79542), (5535, 70704), (5892, 66420), (5904, 66285), (6480, 60393), (6642, 58920), (7365, 53136), (7380, 53028), (7856, 49815), (8838, 44280), (8856, 44190), (9720, 40262), (9820, 39852), (9840, 39771), (9963, 39280), (11070, 35352), (11784, 33210), (13257, 29520), (13284, 29460), (14730, 26568), (14760, 26514), (16605, 23568), (17676, 22140), (17712, 22095), (19440, 20131), (19640, 19926)]