28458180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4273}}^1$

素因数の和:4325

約数の個数: 72

約数和(自身を含む): 88676952

約数和(自身を除く): 60218772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 4273, 6660, 8546, 12819, 17092, 21365, 25638, 38457, 42730, 51276, 64095, 76914, 85460, 128190, 153828, 158101, 192285, 256380, 316202, 384570, 474303, 632404, 769140, 790505, 948606, 1422909, 1581010, 1897212, 2371515, 2845818, 3162020, 4743030, 5691636, 7114545, 9486060, 14229090, 28458180]

約数ペア:

[(1, 28458180), (2, 14229090), (3, 9486060), (4, 7114545), (5, 5691636), (6, 4743030), (9, 3162020), (10, 2845818), (12, 2371515), (15, 1897212), (18, 1581010), (20, 1422909), (30, 948606), (36, 790505), (37, 769140), (45, 632404), (60, 474303), (74, 384570), (90, 316202), (111, 256380), (148, 192285), (180, 158101), (185, 153828), (222, 128190), (333, 85460), (370, 76914), (444, 64095), (555, 51276), (666, 42730), (740, 38457), (1110, 25638), (1332, 21365), (1665, 17092), (2220, 12819), (3330, 8546), (4273, 6660)]