20974726440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6473681}}^1$

素因数の和:6473704

約数の個数: 80

約数和(自身を含む): 70498396980

約数和(自身を除く): 49523670540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6473681, 12947362, 19421043, 25894724, 32368405, 38842086, 51789448, 58263129, 64736810, 77684172, 97105215, 116526258, 129473620, 155368344, 174789387, 194210430, 233052516, 258947240, 291315645, 349578774, 388420860, 466105032, 524368161, 582631290, 699157548, 776841720, 873946935, 1048736322, 1165262580, 1398315096, 1747893870, 2097472644, 2330525160, 2621840805, 3495787740, 4194945288, 5243681610, 6991575480, 10487363220, 20974726440]

約数ペア:

[(1, 20974726440), (2, 10487363220), (3, 6991575480), (4, 5243681610), (5, 4194945288), (6, 3495787740), (8, 2621840805), (9, 2330525160), (10, 2097472644), (12, 1747893870), (15, 1398315096), (18, 1165262580), (20, 1048736322), (24, 873946935), (27, 776841720), (30, 699157548), (36, 582631290), (40, 524368161), (45, 466105032), (54, 388420860), (60, 349578774), (72, 291315645), (81, 258947240), (90, 233052516), (108, 194210430), (120, 174789387), (135, 155368344), (162, 129473620), (180, 116526258), (216, 97105215), (270, 77684172), (324, 64736810), (360, 58263129), (405, 51789448), (540, 38842086), (648, 32368405), (810, 25894724), (1080, 19421043), (1620, 12947362), (3240, 6473681)]