180563660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 399651504

約数和(自身を除く): 219087844

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 67, 94, 122, 134, 188, 235, 244, 268, 305, 335, 470, 610, 670, 940, 1220, 1340, 2209, 2867, 3149, 4087, 4418, 5734, 6298, 8174, 8836, 11045, 11468, 12596, 14335, 15745, 16348, 20435, 22090, 28670, 31490, 40870, 44180, 57340, 62980, 81740, 134749, 148003, 192089, 269498, 296006, 384178, 538996, 592012, 673745, 740015, 768356, 960445, 1347490, 1480030, 1920890, 2694980, 2960060, 3841780, 9028183, 18056366, 36112732, 45140915, 90281830, 180563660]

約数ペア:

[(1, 180563660), (2, 90281830), (4, 45140915), (5, 36112732), (10, 18056366), (20, 9028183), (47, 3841780), (61, 2960060), (67, 2694980), (94, 1920890), (122, 1480030), (134, 1347490), (188, 960445), (235, 768356), (244, 740015), (268, 673745), (305, 592012), (335, 538996), (470, 384178), (610, 296006), (670, 269498), (940, 192089), (1220, 148003), (1340, 134749), (2209, 81740), (2867, 62980), (3149, 57340), (4087, 44180), (4418, 40870), (5734, 31490), (6298, 28670), (8174, 22090), (8836, 20435), (11045, 16348), (11468, 15745), (12596, 14335)]