216531180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{20389}}^1$

素因数の和:20463

約数の個数: 72

約数和(自身を含む): 667976400

約数和(自身を除く): 451445220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 20389, 40778, 61167, 81556, 101945, 122334, 183501, 203890, 244668, 305835, 367002, 407780, 611670, 734004, 917505, 1202951, 1223340, 1835010, 2405902, 3608853, 3670020, 4811804, 6014755, 7217706, 10826559, 12029510, 14435412, 18044265, 21653118, 24059020, 36088530, 43306236, 54132795, 72177060, 108265590, 216531180]

約数ペア:

[(1, 216531180), (2, 108265590), (3, 72177060), (4, 54132795), (5, 43306236), (6, 36088530), (9, 24059020), (10, 21653118), (12, 18044265), (15, 14435412), (18, 12029510), (20, 10826559), (30, 7217706), (36, 6014755), (45, 4811804), (59, 3670020), (60, 3608853), (90, 2405902), (118, 1835010), (177, 1223340), (180, 1202951), (236, 917505), (295, 734004), (354, 611670), (531, 407780), (590, 367002), (708, 305835), (885, 244668), (1062, 203890), (1180, 183501), (1770, 122334), (2124, 101945), (2655, 81556), (3540, 61167), (5310, 40778), (10620, 20389)]