167372720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67489}}^1$

素因数の和:67533

約数の個数: 40

約数和(自身を含む): 401700480

約数和(自身を除く): 234327760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 67489, 134978, 269956, 337445, 539912, 674890, 1079824, 1349780, 2092159, 2699560, 4184318, 5399120, 8368636, 10460795, 16737272, 20921590, 33474544, 41843180, 83686360, 167372720]

約数ペア:

[(1, 167372720), (2, 83686360), (4, 41843180), (5, 33474544), (8, 20921590), (10, 16737272), (16, 10460795), (20, 8368636), (31, 5399120), (40, 4184318), (62, 2699560), (80, 2092159), (124, 1349780), (155, 1079824), (248, 674890), (310, 539912), (496, 337445), (620, 269956), (1240, 134978), (2480, 67489)]