28153320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18047}}^1$

素因数の和:18074

約数の個数: 64

約数和(自身を含む): 90961920

約数和(自身を除く): 62808600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18047, 36094, 54141, 72188, 90235, 108282, 144376, 180470, 216564, 234611, 270705, 360940, 433128, 469222, 541410, 703833, 721880, 938444, 1082820, 1173055, 1407666, 1876888, 2165640, 2346110, 2815332, 3519165, 4692220, 5630664, 7038330, 9384440, 14076660, 28153320]

約数ペア:

[(1, 28153320), (2, 14076660), (3, 9384440), (4, 7038330), (5, 5630664), (6, 4692220), (8, 3519165), (10, 2815332), (12, 2346110), (13, 2165640), (15, 1876888), (20, 1407666), (24, 1173055), (26, 1082820), (30, 938444), (39, 721880), (40, 703833), (52, 541410), (60, 469222), (65, 433128), (78, 360940), (104, 270705), (120, 234611), (130, 216564), (156, 180470), (195, 144376), (260, 108282), (312, 90235), (390, 72188), (520, 54141), (780, 36094), (1560, 18047)]