90711180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71993}}^1$

素因数の和:72015

約数の個数: 72

約数和(自身を含む): 314469792

約数和(自身を除く): 223758612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 71993, 143986, 215979, 287972, 359965, 431958, 503951, 647937, 719930, 863916, 1007902, 1079895, 1295874, 1439860, 1511853, 2015804, 2159790, 2519755, 2591748, 3023706, 3239685, 4319580, 4535559, 5039510, 6047412, 6479370, 7559265, 9071118, 10079020, 12958740, 15118530, 18142236, 22677795, 30237060, 45355590, 90711180]

約数ペア:

[(1, 90711180), (2, 45355590), (3, 30237060), (4, 22677795), (5, 18142236), (6, 15118530), (7, 12958740), (9, 10079020), (10, 9071118), (12, 7559265), (14, 6479370), (15, 6047412), (18, 5039510), (20, 4535559), (21, 4319580), (28, 3239685), (30, 3023706), (35, 2591748), (36, 2519755), (42, 2159790), (45, 2015804), (60, 1511853), (63, 1439860), (70, 1295874), (84, 1079895), (90, 1007902), (105, 863916), (126, 719930), (140, 647937), (180, 503951), (210, 431958), (252, 359965), (315, 287972), (420, 215979), (630, 143986), (1260, 71993)]