320387940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 192

約数和(自身を含む): 1058400000

約数和(自身を除く): 738012060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 41, 45, 54, 58, 60, 82, 87, 90, 108, 116, 123, 135, 145, 164, 174, 180, 205, 246, 261, 270, 290, 348, 369, 410, 435, 492, 499, 522, 540, 580, 615, 738, 783, 820, 870, 998, 1044, 1107, 1189, 1230, 1305, 1476, 1497, 1566, 1740, 1845, 1996, 2214, 2378, 2460, 2495, 2610, 2994, 3132, 3567, 3690, 3915, 4428, 4491, 4756, 4990, 5220, 5535, 5945, 5988, 7134, 7380, 7485, 7830, 8982, 9980, 10701, 11070, 11890, 13473, 14268, 14471, 14970, 15660, 17835, 17964, 20459, 21402, 22140, 22455, 23780, 26946, 28942, 29940, 32103, 35670, 40918, 42804, 43413, 44910, 53505, 53892, 57884, 61377, 64206, 67365, 71340, 72355, 81836, 86826, 89820, 102295, 107010, 122754, 128412, 130239, 134730, 144710, 160515, 173652, 184131, 204590, 214020, 217065, 245508, 260478, 269460, 289420, 306885, 321030, 368262, 390717, 409180, 434130, 520956, 552393, 593311, 613770, 642060, 651195, 736524, 781434, 868260, 920655, 1104786, 1186622, 1227540, 1302390, 1562868, 1779933, 1841310, 1953585, 2209572, 2373244, 2604780, 2761965, 2966555, 3559866, 3682620, 3907170, 5339799, 5523930, 5933110, 7119732, 7814340, 8899665, 10679598, 11047860, 11866220, 16019397, 17799330, 21359196, 26698995, 32038794, 35598660, 53397990, 64077588, 80096985, 106795980, 160193970, 320387940]

約数ペア:

[(1, 320387940), (2, 160193970), (3, 106795980), (4, 80096985), (5, 64077588), (6, 53397990), (9, 35598660), (10, 32038794), (12, 26698995), (15, 21359196), (18, 17799330), (20, 16019397), (27, 11866220), (29, 11047860), (30, 10679598), (36, 8899665), (41, 7814340), (45, 7119732), (54, 5933110), (58, 5523930), (60, 5339799), (82, 3907170), (87, 3682620), (90, 3559866), (108, 2966555), (116, 2761965), (123, 2604780), (135, 2373244), (145, 2209572), (164, 1953585), (174, 1841310), (180, 1779933), (205, 1562868), (246, 1302390), (261, 1227540), (270, 1186622), (290, 1104786), (348, 920655), (369, 868260), (410, 781434), (435, 736524), (492, 651195), (499, 642060), (522, 613770), (540, 593311), (580, 552393), (615, 520956), (738, 434130), (783, 409180), (820, 390717), (870, 368262), (998, 321030), (1044, 306885), (1107, 289420), (1189, 269460), (1230, 260478), (1305, 245508), (1476, 217065), (1497, 214020), (1566, 204590), (1740, 184131), (1845, 173652), (1996, 160515), (2214, 144710), (2378, 134730), (2460, 130239), (2495, 128412), (2610, 122754), (2994, 107010), (3132, 102295), (3567, 89820), (3690, 86826), (3915, 81836), (4428, 72355), (4491, 71340), (4756, 67365), (4990, 64206), (5220, 61377), (5535, 57884), (5945, 53892), (5988, 53505), (7134, 44910), (7380, 43413), (7485, 42804), (7830, 40918), (8982, 35670), (9980, 32103), (10701, 29940), (11070, 28942), (11890, 26946), (13473, 23780), (14268, 22455), (14471, 22140), (14970, 21402), (15660, 20459), (17835, 17964)]