81001560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35527}}^1$

素因数の和:35560

約数の個数: 64

約数和(自身を含む): 255801600

約数和(自身を除く): 174800040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 35527, 71054, 106581, 142108, 177635, 213162, 284216, 355270, 426324, 532905, 675013, 710540, 852648, 1065810, 1350026, 1421080, 2025039, 2131620, 2700052, 3375065, 4050078, 4263240, 5400104, 6750130, 8100156, 10125195, 13500260, 16200312, 20250390, 27000520, 40500780, 81001560]

約数ペア:

[(1, 81001560), (2, 40500780), (3, 27000520), (4, 20250390), (5, 16200312), (6, 13500260), (8, 10125195), (10, 8100156), (12, 6750130), (15, 5400104), (19, 4263240), (20, 4050078), (24, 3375065), (30, 2700052), (38, 2131620), (40, 2025039), (57, 1421080), (60, 1350026), (76, 1065810), (95, 852648), (114, 710540), (120, 675013), (152, 532905), (190, 426324), (228, 355270), (285, 284216), (380, 213162), (456, 177635), (570, 142108), (760, 106581), (1140, 71054), (2280, 35527)]