20180911860

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{479}}^1\times {\mathrm{8669}}^1$

素因数の和:9172

約数の個数: 144

約数和(自身を含む): 63622540800

約数和(自身を除く): 43441628940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 479, 486, 540, 810, 958, 972, 1215, 1437, 1620, 1916, 2395, 2430, 2874, 4311, 4790, 4860, 5748, 7185, 8622, 8669, 9580, 12933, 14370, 17244, 17338, 21555, 25866, 26007, 28740, 34676, 38799, 43110, 43345, 51732, 52014, 64665, 77598, 78021, 86220, 86690, 104028, 116397, 129330, 130035, 155196, 156042, 173380, 193995, 232794, 234063, 258660, 260070, 312084, 387990, 390105, 465588, 468126, 520140, 581985, 702189, 775980, 780210, 936252, 1163970, 1170315, 1404378, 1560420, 2106567, 2327940, 2340630, 2808756, 3510945, 4152451, 4213134, 4681260, 7021890, 8304902, 8426268, 10532835, 12457353, 14043780, 16609804, 20762255, 21065670, 24914706, 37372059, 41524510, 42131340, 49829412, 62286765, 74744118, 83049020, 112116177, 124573530, 149488236, 186860295, 224232354, 249147060, 336348531, 373720590, 448464708, 560580885, 672697062, 747441180, 1009045593, 1121161770, 1345394124, 1681742655, 2018091186, 2242323540, 3363485310, 4036182372, 5045227965, 6726970620, 10090455930, 20180911860]

約数ペア:

[(1, 20180911860), (2, 10090455930), (3, 6726970620), (4, 5045227965), (5, 4036182372), (6, 3363485310), (9, 2242323540), (10, 2018091186), (12, 1681742655), (15, 1345394124), (18, 1121161770), (20, 1009045593), (27, 747441180), (30, 672697062), (36, 560580885), (45, 448464708), (54, 373720590), (60, 336348531), (81, 249147060), (90, 224232354), (108, 186860295), (135, 149488236), (162, 124573530), (180, 112116177), (243, 83049020), (270, 74744118), (324, 62286765), (405, 49829412), (479, 42131340), (486, 41524510), (540, 37372059), (810, 24914706), (958, 21065670), (972, 20762255), (1215, 16609804), (1437, 14043780), (1620, 12457353), (1916, 10532835), (2395, 8426268), (2430, 8304902), (2874, 7021890), (4311, 4681260), (4790, 4213134), (4860, 4152451), (5748, 3510945), (7185, 2808756), (8622, 2340630), (8669, 2327940), (9580, 2106567), (12933, 1560420), (14370, 1404378), (17244, 1170315), (17338, 1163970), (21555, 936252), (25866, 780210), (26007, 775980), (28740, 702189), (34676, 581985), (38799, 520140), (43110, 468126), (43345, 465588), (51732, 390105), (52014, 387990), (64665, 312084), (77598, 260070), (78021, 258660), (86220, 234063), (86690, 232794), (104028, 193995), (116397, 173380), (129330, 156042), (130035, 155196)]