1081081820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:284

約数の個数: 192

約数和(自身を含む): 2896158720

約数和(自身を除く): 1815076900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 73, 79, 91, 103, 130, 140, 146, 158, 182, 206, 260, 292, 316, 364, 365, 395, 412, 455, 511, 515, 553, 721, 730, 790, 910, 949, 1022, 1027, 1030, 1106, 1339, 1442, 1460, 1580, 1820, 1898, 2044, 2054, 2060, 2212, 2555, 2678, 2765, 2884, 3605, 3796, 4108, 4745, 5110, 5135, 5356, 5530, 5767, 6643, 6695, 7189, 7210, 7519, 8137, 9373, 9490, 10220, 10270, 11060, 11534, 13286, 13390, 14378, 14420, 15038, 16274, 18746, 18980, 20540, 23068, 26572, 26780, 28756, 28835, 30076, 32548, 33215, 35945, 37492, 37595, 40369, 40685, 46865, 52633, 56959, 57670, 66430, 71890, 74971, 75190, 80738, 81370, 93730, 97747, 105266, 105781, 113918, 115340, 132860, 143780, 149942, 150380, 161476, 162740, 187460, 195494, 201845, 210532, 211562, 227836, 263165, 284795, 299884, 374855, 390988, 403690, 423124, 488735, 524797, 526330, 528905, 569590, 594001, 684229, 740467, 749710, 807380, 977470, 1049594, 1052660, 1057810, 1139180, 1188002, 1368458, 1480934, 1499420, 1954940, 2099188, 2115620, 2376004, 2623985, 2736916, 2961868, 2970005, 3421145, 3702335, 4158007, 5247970, 5940010, 6842290, 7404670, 7722013, 8316014, 10495940, 11880020, 13684580, 14809340, 15444026, 16632028, 20790035, 30888052, 38610065, 41580070, 54054091, 77220130, 83160140, 108108182, 154440260, 216216364, 270270455, 540540910, 1081081820]

約数ペア:

[(1, 1081081820), (2, 540540910), (4, 270270455), (5, 216216364), (7, 154440260), (10, 108108182), (13, 83160140), (14, 77220130), (20, 54054091), (26, 41580070), (28, 38610065), (35, 30888052), (52, 20790035), (65, 16632028), (70, 15444026), (73, 14809340), (79, 13684580), (91, 11880020), (103, 10495940), (130, 8316014), (140, 7722013), (146, 7404670), (158, 6842290), (182, 5940010), (206, 5247970), (260, 4158007), (292, 3702335), (316, 3421145), (364, 2970005), (365, 2961868), (395, 2736916), (412, 2623985), (455, 2376004), (511, 2115620), (515, 2099188), (553, 1954940), (721, 1499420), (730, 1480934), (790, 1368458), (910, 1188002), (949, 1139180), (1022, 1057810), (1027, 1052660), (1030, 1049594), (1106, 977470), (1339, 807380), (1442, 749710), (1460, 740467), (1580, 684229), (1820, 594001), (1898, 569590), (2044, 528905), (2054, 526330), (2060, 524797), (2212, 488735), (2555, 423124), (2678, 403690), (2765, 390988), (2884, 374855), (3605, 299884), (3796, 284795), (4108, 263165), (4745, 227836), (5110, 211562), (5135, 210532), (5356, 201845), (5530, 195494), (5767, 187460), (6643, 162740), (6695, 161476), (7189, 150380), (7210, 149942), (7519, 143780), (8137, 132860), (9373, 115340), (9490, 113918), (10220, 105781), (10270, 105266), (11060, 97747), (11534, 93730), (13286, 81370), (13390, 80738), (14378, 75190), (14420, 74971), (15038, 71890), (16274, 66430), (18746, 57670), (18980, 56959), (20540, 52633), (23068, 46865), (26572, 40685), (26780, 40369), (28756, 37595), (28835, 37492), (30076, 35945), (32548, 33215)]