155511180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78541}}^1$

素因数の和:78567

約数の個数: 72

約数和(自身を含む): 514607184

約数和(自身を除く): 359096004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 78541, 157082, 235623, 314164, 392705, 471246, 706869, 785410, 863951, 942492, 1178115, 1413738, 1570820, 1727902, 2356230, 2591853, 2827476, 3455804, 3534345, 4319755, 4712460, 5183706, 7068690, 7775559, 8639510, 10367412, 12959265, 14137380, 15551118, 17279020, 25918530, 31102236, 38877795, 51837060, 77755590, 155511180]

約数ペア:

[(1, 155511180), (2, 77755590), (3, 51837060), (4, 38877795), (5, 31102236), (6, 25918530), (9, 17279020), (10, 15551118), (11, 14137380), (12, 12959265), (15, 10367412), (18, 8639510), (20, 7775559), (22, 7068690), (30, 5183706), (33, 4712460), (36, 4319755), (44, 3534345), (45, 3455804), (55, 2827476), (60, 2591853), (66, 2356230), (90, 1727902), (99, 1570820), (110, 1413738), (132, 1178115), (165, 942492), (180, 863951), (198, 785410), (220, 706869), (330, 471246), (396, 392705), (495, 314164), (660, 235623), (990, 157082), (1980, 78541)]