399544080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1729

約数の個数: 160

約数和(自身を含む): 1351580160

約数和(自身を除く): 952036080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 79, 80, 104, 120, 130, 156, 158, 195, 208, 237, 240, 260, 312, 316, 390, 395, 474, 520, 624, 632, 780, 790, 948, 1027, 1040, 1185, 1264, 1560, 1580, 1621, 1896, 2054, 2370, 3081, 3120, 3160, 3242, 3792, 4108, 4740, 4863, 5135, 6162, 6320, 6484, 8105, 8216, 9480, 9726, 10270, 12324, 12968, 15405, 16210, 16432, 18960, 19452, 20540, 21073, 24315, 24648, 25936, 30810, 32420, 38904, 41080, 42146, 48630, 49296, 61620, 63219, 64840, 77808, 82160, 84292, 97260, 105365, 123240, 126438, 128059, 129680, 168584, 194520, 210730, 246480, 252876, 256118, 316095, 337168, 384177, 389040, 421460, 505752, 512236, 632190, 640295, 768354, 842920, 1011504, 1024472, 1264380, 1280590, 1536708, 1664767, 1685840, 1920885, 2048944, 2528760, 2561180, 3073416, 3329534, 3841770, 4994301, 5057520, 5122360, 6146832, 6659068, 7683540, 8323835, 9988602, 10244720, 13318136, 15367080, 16647670, 19977204, 24971505, 26636272, 30734160, 33295340, 39954408, 49943010, 66590680, 79908816, 99886020, 133181360, 199772040, 399544080]

約数ペア:

[(1, 399544080), (2, 199772040), (3, 133181360), (4, 99886020), (5, 79908816), (6, 66590680), (8, 49943010), (10, 39954408), (12, 33295340), (13, 30734160), (15, 26636272), (16, 24971505), (20, 19977204), (24, 16647670), (26, 15367080), (30, 13318136), (39, 10244720), (40, 9988602), (48, 8323835), (52, 7683540), (60, 6659068), (65, 6146832), (78, 5122360), (79, 5057520), (80, 4994301), (104, 3841770), (120, 3329534), (130, 3073416), (156, 2561180), (158, 2528760), (195, 2048944), (208, 1920885), (237, 1685840), (240, 1664767), (260, 1536708), (312, 1280590), (316, 1264380), (390, 1024472), (395, 1011504), (474, 842920), (520, 768354), (624, 640295), (632, 632190), (780, 512236), (790, 505752), (948, 421460), (1027, 389040), (1040, 384177), (1185, 337168), (1264, 316095), (1560, 256118), (1580, 252876), (1621, 246480), (1896, 210730), (2054, 194520), (2370, 168584), (3081, 129680), (3120, 128059), (3160, 126438), (3242, 123240), (3792, 105365), (4108, 97260), (4740, 84292), (4863, 82160), (5135, 77808), (6162, 64840), (6320, 63219), (6484, 61620), (8105, 49296), (8216, 48630), (9480, 42146), (9726, 41080), (10270, 38904), (12324, 32420), (12968, 30810), (15405, 25936), (16210, 24648), (16432, 24315), (18960, 21073), (19452, 20540)]