138386640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{82373}}^1$

素因数の和:82396

約数の個数: 80

約数和(自身を含む): 490290048

約数和(自身を除く): 351903408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 82373, 164746, 247119, 329492, 411865, 494238, 576611, 658984, 823730, 988476, 1153222, 1235595, 1317968, 1647460, 1729833, 1976952, 2306444, 2471190, 2883055, 3294920, 3459666, 3953904, 4612888, 4942380, 5766110, 6589840, 6919332, 8649165, 9225776, 9884760, 11532220, 13838664, 17298330, 19769520, 23064440, 27677328, 34596660, 46128880, 69193320, 138386640]

約数ペア:

[(1, 138386640), (2, 69193320), (3, 46128880), (4, 34596660), (5, 27677328), (6, 23064440), (7, 19769520), (8, 17298330), (10, 13838664), (12, 11532220), (14, 9884760), (15, 9225776), (16, 8649165), (20, 6919332), (21, 6589840), (24, 5766110), (28, 4942380), (30, 4612888), (35, 3953904), (40, 3459666), (42, 3294920), (48, 2883055), (56, 2471190), (60, 2306444), (70, 1976952), (80, 1729833), (84, 1647460), (105, 1317968), (112, 1235595), (120, 1153222), (140, 988476), (168, 823730), (210, 658984), (240, 576611), (280, 494238), (336, 411865), (420, 329492), (560, 247119), (840, 164746), (1680, 82373)]