66490120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{983}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 159408000

約数和(自身を除く): 92917880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 983, 1691, 1780, 1966, 3382, 3560, 3932, 4915, 6764, 7864, 8455, 9830, 13528, 16910, 18677, 19660, 33820, 37354, 39320, 67640, 74708, 87487, 93385, 149416, 174974, 186770, 349948, 373540, 437435, 699896, 747080, 874870, 1662253, 1749740, 3324506, 3499480, 6649012, 8311265, 13298024, 16622530, 33245060, 66490120]

約数ペア:

[(1, 66490120), (2, 33245060), (4, 16622530), (5, 13298024), (8, 8311265), (10, 6649012), (19, 3499480), (20, 3324506), (38, 1749740), (40, 1662253), (76, 874870), (89, 747080), (95, 699896), (152, 437435), (178, 373540), (190, 349948), (356, 186770), (380, 174974), (445, 149416), (712, 93385), (760, 87487), (890, 74708), (983, 67640), (1691, 39320), (1780, 37354), (1966, 33820), (3382, 19660), (3560, 18677), (3932, 16910), (4915, 13528), (6764, 9830), (7864, 8455)]