20980064340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{145513}}^1$

素因数の和:145623

約数の個数: 120

約数和(自身を含む): 66555193320

約数和(自身を除く): 45575128980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 180, 267, 270, 324, 356, 405, 445, 534, 540, 801, 810, 890, 1068, 1335, 1602, 1620, 1780, 2403, 2670, 3204, 4005, 4806, 5340, 7209, 8010, 9612, 12015, 14418, 16020, 24030, 28836, 36045, 48060, 72090, 144180, 145513, 291026, 436539, 582052, 727565, 873078, 1309617, 1455130, 1746156, 2182695, 2619234, 2910260, 3928851, 4365390, 5238468, 6548085, 7857702, 8730780, 11786553, 12950657, 13096170, 15715404, 19644255, 23573106, 25901314, 26192340, 38851971, 39288510, 47146212, 51802628, 58932765, 64753285, 77703942, 78577020, 116555913, 117865530, 129506570, 155407884, 194259855, 233111826, 235731060, 259013140, 349667739, 388519710, 466223652, 582779565, 699335478, 777039420, 1049003217, 1165559130, 1398670956, 1748338695, 2098006434, 2331118260, 3496677390, 4196012868, 5245016085, 6993354780, 10490032170, 20980064340]

約数ペア:

[(1, 20980064340), (2, 10490032170), (3, 6993354780), (4, 5245016085), (5, 4196012868), (6, 3496677390), (9, 2331118260), (10, 2098006434), (12, 1748338695), (15, 1398670956), (18, 1165559130), (20, 1049003217), (27, 777039420), (30, 699335478), (36, 582779565), (45, 466223652), (54, 388519710), (60, 349667739), (81, 259013140), (89, 235731060), (90, 233111826), (108, 194259855), (135, 155407884), (162, 129506570), (178, 117865530), (180, 116555913), (267, 78577020), (270, 77703942), (324, 64753285), (356, 58932765), (405, 51802628), (445, 47146212), (534, 39288510), (540, 38851971), (801, 26192340), (810, 25901314), (890, 23573106), (1068, 19644255), (1335, 15715404), (1602, 13096170), (1620, 12950657), (1780, 11786553), (2403, 8730780), (2670, 7857702), (3204, 6548085), (4005, 5238468), (4806, 4365390), (5340, 3928851), (7209, 2910260), (8010, 2619234), (9612, 2182695), (12015, 1746156), (14418, 1455130), (16020, 1309617), (24030, 873078), (28836, 727565), (36045, 582052), (48060, 436539), (72090, 291026), (144180, 145513)]