207655980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 704471040

約数和(自身を除く): 496815060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 41, 42, 60, 62, 70, 82, 84, 93, 105, 123, 124, 140, 155, 164, 186, 205, 210, 217, 246, 287, 310, 372, 389, 410, 420, 434, 465, 492, 574, 615, 620, 651, 778, 820, 861, 868, 930, 1085, 1148, 1167, 1230, 1271, 1302, 1435, 1556, 1722, 1860, 1945, 2170, 2334, 2460, 2542, 2604, 2723, 2870, 3255, 3444, 3813, 3890, 4305, 4340, 4668, 5084, 5446, 5740, 5835, 6355, 6510, 7626, 7780, 8169, 8610, 8897, 10892, 11670, 12059, 12710, 13020, 13615, 15252, 15949, 16338, 17220, 17794, 19065, 23340, 24118, 25420, 26691, 27230, 31898, 32676, 35588, 36177, 38130, 40845, 44485, 47847, 48236, 53382, 54460, 60295, 63796, 72354, 76260, 79745, 81690, 84413, 88970, 95694, 106764, 111643, 120590, 133455, 144708, 159490, 163380, 168826, 177940, 180885, 191388, 223286, 239235, 241180, 253239, 266910, 318980, 334929, 337652, 361770, 422065, 446572, 478470, 494419, 506478, 533820, 558215, 669858, 723540, 844130, 956940, 988838, 1012956, 1116430, 1266195, 1339716, 1483257, 1674645, 1688260, 1977676, 2232860, 2472095, 2532390, 2966514, 3349290, 3460933, 4944190, 5064780, 5933028, 6698580, 6921866, 7416285, 9888380, 10382799, 13843732, 14832570, 17304665, 20765598, 29665140, 34609330, 41531196, 51913995, 69218660, 103827990, 207655980]

約数ペア:

[(1, 207655980), (2, 103827990), (3, 69218660), (4, 51913995), (5, 41531196), (6, 34609330), (7, 29665140), (10, 20765598), (12, 17304665), (14, 14832570), (15, 13843732), (20, 10382799), (21, 9888380), (28, 7416285), (30, 6921866), (31, 6698580), (35, 5933028), (41, 5064780), (42, 4944190), (60, 3460933), (62, 3349290), (70, 2966514), (82, 2532390), (84, 2472095), (93, 2232860), (105, 1977676), (123, 1688260), (124, 1674645), (140, 1483257), (155, 1339716), (164, 1266195), (186, 1116430), (205, 1012956), (210, 988838), (217, 956940), (246, 844130), (287, 723540), (310, 669858), (372, 558215), (389, 533820), (410, 506478), (420, 494419), (434, 478470), (465, 446572), (492, 422065), (574, 361770), (615, 337652), (620, 334929), (651, 318980), (778, 266910), (820, 253239), (861, 241180), (868, 239235), (930, 223286), (1085, 191388), (1148, 180885), (1167, 177940), (1230, 168826), (1271, 163380), (1302, 159490), (1435, 144708), (1556, 133455), (1722, 120590), (1860, 111643), (1945, 106764), (2170, 95694), (2334, 88970), (2460, 84413), (2542, 81690), (2604, 79745), (2723, 76260), (2870, 72354), (3255, 63796), (3444, 60295), (3813, 54460), (3890, 53382), (4305, 48236), (4340, 47847), (4668, 44485), (5084, 40845), (5446, 38130), (5740, 36177), (5835, 35588), (6355, 32676), (6510, 31898), (7626, 27230), (7780, 26691), (8169, 25420), (8610, 24118), (8897, 23340), (10892, 19065), (11670, 17794), (12059, 17220), (12710, 16338), (13020, 15949), (13615, 15252)]