171644220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86689}}^1$

素因数の和:86715

約数の個数: 72

約数和(自身を含む): 567992880

約数和(自身を除く): 396348660

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, 86689, 173378, 260067, 346756, 433445, 520134, 780201, 866890, 953579, 1040268, 1300335, 1560402, 1733780, 1907158, 2600670, 2860737, 3120804, 3814316, 3901005, 4767895, 5201340, 5721474, 7802010, 8582211, 9535790, 11442948, 14303685, 15604020, 17164422, 19071580, 28607370, 34328844, 42911055, 57214740, 85822110, 171644220]

約数ペア:

[(1, 171644220), (2, 85822110), (3, 57214740), (4, 42911055), (5, 34328844), (6, 28607370), (9, 19071580), (10, 17164422), (11, 15604020), (12, 14303685), (15, 11442948), (18, 9535790), (20, 8582211), (22, 7802010), (30, 5721474), (33, 5201340), (36, 4767895), (44, 3901005), (45, 3814316), (55, 3120804), (60, 2860737), (66, 2600670), (90, 1907158), (99, 1733780), (110, 1560402), (132, 1300335), (165, 1040268), (180, 953579), (198, 866890), (220, 780201), (330, 520134), (396, 433445), (495, 346756), (660, 260067), (990, 173378), (1980, 86689)]