420006240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7883}}^1$

素因数の和:7941

約数の個数: 144

約数和(自身を含む): 1472195088

約数和(自身を除く): 1052188848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 444, 480, 555, 592, 666, 720, 740, 888, 1110, 1184, 1332, 1440, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 3552, 4440, 5328, 5920, 6660, 7883, 8880, 10656, 13320, 15766, 17760, 23649, 26640, 31532, 39415, 47298, 53280, 63064, 70947, 78830, 94596, 118245, 126128, 141894, 157660, 189192, 236490, 252256, 283788, 291671, 315320, 354735, 378384, 472980, 567576, 583342, 630640, 709470, 756768, 875013, 945960, 1135152, 1166684, 1261280, 1418940, 1458355, 1750026, 1891920, 2270304, 2333368, 2625039, 2837880, 2916710, 3500052, 3783840, 4375065, 4666736, 5250078, 5675760, 5833420, 7000104, 8750130, 9333472, 10500156, 11351520, 11666840, 13125195, 14000208, 17500260, 21000312, 23333680, 26250390, 28000416, 35000520, 42000624, 46667360, 52500780, 70001040, 84001248, 105001560, 140002080, 210003120, 420006240]

約数ペア:

[(1, 420006240), (2, 210003120), (3, 140002080), (4, 105001560), (5, 84001248), (6, 70001040), (8, 52500780), (9, 46667360), (10, 42000624), (12, 35000520), (15, 28000416), (16, 26250390), (18, 23333680), (20, 21000312), (24, 17500260), (30, 14000208), (32, 13125195), (36, 11666840), (37, 11351520), (40, 10500156), (45, 9333472), (48, 8750130), (60, 7000104), (72, 5833420), (74, 5675760), (80, 5250078), (90, 4666736), (96, 4375065), (111, 3783840), (120, 3500052), (144, 2916710), (148, 2837880), (160, 2625039), (180, 2333368), (185, 2270304), (222, 1891920), (240, 1750026), (288, 1458355), (296, 1418940), (333, 1261280), (360, 1166684), (370, 1135152), (444, 945960), (480, 875013), (555, 756768), (592, 709470), (666, 630640), (720, 583342), (740, 567576), (888, 472980), (1110, 378384), (1184, 354735), (1332, 315320), (1440, 291671), (1480, 283788), (1665, 252256), (1776, 236490), (2220, 189192), (2664, 157660), (2960, 141894), (3330, 126128), (3552, 118245), (4440, 94596), (5328, 78830), (5920, 70947), (6660, 63064), (7883, 53280), (8880, 47298), (10656, 39415), (13320, 31532), (15766, 26640), (17760, 23649)]