2105172180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:301

約数の個数: 288

約数和(自身を含む): 6956651520

約数和(自身を除く): 4851479340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 89, 90, 93, 108, 124, 135, 155, 157, 162, 178, 180, 186, 243, 267, 270, 279, 310, 314, 324, 356, 372, 405, 445, 465, 471, 486, 534, 540, 558, 620, 628, 785, 801, 810, 837, 890, 930, 942, 972, 1068, 1116, 1215, 1335, 1395, 1413, 1570, 1602, 1620, 1674, 1780, 1860, 1884, 2355, 2403, 2430, 2511, 2670, 2759, 2790, 2826, 3140, 3204, 3348, 4005, 4185, 4239, 4710, 4806, 4860, 4867, 5022, 5340, 5518, 5580, 5652, 7065, 7209, 7533, 8010, 8277, 8370, 8478, 9420, 9612, 9734, 10044, 11036, 12015, 12555, 12717, 13795, 13973, 14130, 14418, 14601, 15066, 16020, 16554, 16740, 16956, 19468, 21195, 21627, 24030, 24335, 24831, 25110, 25434, 27590, 27946, 28260, 28836, 29202, 30132, 33108, 36045, 37665, 38151, 41385, 41919, 42390, 43254, 43803, 48060, 48670, 49662, 50220, 50868, 55180, 55892, 58404, 63585, 69865, 72090, 73005, 74493, 75330, 76302, 82770, 83838, 84780, 86508, 87606, 97340, 99324, 108135, 124155, 125757, 127170, 131409, 139730, 144180, 146010, 148986, 150660, 152604, 165540, 167676, 175212, 190755, 209595, 216270, 219015, 223479, 248310, 251514, 254340, 262818, 279460, 292020, 297972, 372465, 377271, 381510, 394227, 419190, 432540, 433163, 438030, 446958, 496620, 503028, 525636, 628785, 657045, 670437, 744930, 754542, 763020, 788454, 838380, 866326, 876060, 893916, 1117395, 1131813, 1182681, 1257570, 1299489, 1314090, 1340874, 1489860, 1509084, 1576908, 1732652, 1886355, 1971135, 2165815, 2234790, 2263626, 2365362, 2515140, 2598978, 2628180, 2681748, 3352185, 3395439, 3772710, 3898467, 3942270, 4331630, 4469580, 4527252, 4730724, 5197956, 5659065, 5913405, 6497445, 6704370, 6790878, 7545420, 7796934, 7884540, 8663260, 11318130, 11695401, 11826810, 12994890, 13408740, 13581756, 15593868, 16977195, 19492335, 22636260, 23390802, 23653620, 25989780, 33954390, 35086203, 38984670, 46781604, 58477005, 67908780, 70172406, 77969340, 105258609, 116954010, 140344812, 175431015, 210517218, 233908020, 350862030, 421034436, 526293045, 701724060, 1052586090, 2105172180]

約数ペア:

[(1, 2105172180), (2, 1052586090), (3, 701724060), (4, 526293045), (5, 421034436), (6, 350862030), (9, 233908020), (10, 210517218), (12, 175431015), (15, 140344812), (18, 116954010), (20, 105258609), (27, 77969340), (30, 70172406), (31, 67908780), (36, 58477005), (45, 46781604), (54, 38984670), (60, 35086203), (62, 33954390), (81, 25989780), (89, 23653620), (90, 23390802), (93, 22636260), (108, 19492335), (124, 16977195), (135, 15593868), (155, 13581756), (157, 13408740), (162, 12994890), (178, 11826810), (180, 11695401), (186, 11318130), (243, 8663260), (267, 7884540), (270, 7796934), (279, 7545420), (310, 6790878), (314, 6704370), (324, 6497445), (356, 5913405), (372, 5659065), (405, 5197956), (445, 4730724), (465, 4527252), (471, 4469580), (486, 4331630), (534, 3942270), (540, 3898467), (558, 3772710), (620, 3395439), (628, 3352185), (785, 2681748), (801, 2628180), (810, 2598978), (837, 2515140), (890, 2365362), (930, 2263626), (942, 2234790), (972, 2165815), (1068, 1971135), (1116, 1886355), (1215, 1732652), (1335, 1576908), (1395, 1509084), (1413, 1489860), (1570, 1340874), (1602, 1314090), (1620, 1299489), (1674, 1257570), (1780, 1182681), (1860, 1131813), (1884, 1117395), (2355, 893916), (2403, 876060), (2430, 866326), (2511, 838380), (2670, 788454), (2759, 763020), (2790, 754542), (2826, 744930), (3140, 670437), (3204, 657045), (3348, 628785), (4005, 525636), (4185, 503028), (4239, 496620), (4710, 446958), (4806, 438030), (4860, 433163), (4867, 432540), (5022, 419190), (5340, 394227), (5518, 381510), (5580, 377271), (5652, 372465), (7065, 297972), (7209, 292020), (7533, 279460), (8010, 262818), (8277, 254340), (8370, 251514), (8478, 248310), (9420, 223479), (9612, 219015), (9734, 216270), (10044, 209595), (11036, 190755), (12015, 175212), (12555, 167676), (12717, 165540), (13795, 152604), (13973, 150660), (14130, 148986), (14418, 146010), (14601, 144180), (15066, 139730), (16020, 131409), (16554, 127170), (16740, 125757), (16956, 124155), (19468, 108135), (21195, 99324), (21627, 97340), (24030, 87606), (24335, 86508), (24831, 84780), (25110, 83838), (25434, 82770), (27590, 76302), (27946, 75330), (28260, 74493), (28836, 73005), (29202, 72090), (30132, 69865), (33108, 63585), (36045, 58404), (37665, 55892), (38151, 55180), (41385, 50868), (41919, 50220), (42390, 49662), (43254, 48670), (43803, 48060)]