156236220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123997}}^1$

素因数の和:124019

約数の個数: 72

約数和(自身を含む): 541623264

約数和(自身を除く): 385387044

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, 123997, 247994, 371991, 495988, 619985, 743982, 867979, 1115973, 1239970, 1487964, 1735958, 1859955, 2231946, 2479940, 2603937, 3471916, 3719910, 4339895, 4463892, 5207874, 5579865, 7439820, 7811811, 8679790, 10415748, 11159730, 13019685, 15623622, 17359580, 22319460, 26039370, 31247244, 39059055, 52078740, 78118110, 156236220]

約数ペア:

[(1, 156236220), (2, 78118110), (3, 52078740), (4, 39059055), (5, 31247244), (6, 26039370), (7, 22319460), (9, 17359580), (10, 15623622), (12, 13019685), (14, 11159730), (15, 10415748), (18, 8679790), (20, 7811811), (21, 7439820), (28, 5579865), (30, 5207874), (35, 4463892), (36, 4339895), (42, 3719910), (45, 3471916), (60, 2603937), (63, 2479940), (70, 2231946), (84, 1859955), (90, 1735958), (105, 1487964), (126, 1239970), (140, 1115973), (180, 867979), (210, 743982), (252, 619985), (315, 495988), (420, 371991), (630, 247994), (1260, 123997)]