72012840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{919}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 216604800

約数和(自身を除く): 144591960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 653, 919, 1306, 1838, 1959, 2612, 2757, 3265, 3676, 3918, 4595, 5224, 5514, 6530, 7352, 7836, 9190, 9795, 11028, 13060, 13785, 15672, 18380, 19590, 22056, 26120, 27570, 36760, 39180, 55140, 78360, 110280, 600107, 1200214, 1800321, 2400428, 3000535, 3600642, 4800856, 6001070, 7201284, 9001605, 12002140, 14402568, 18003210, 24004280, 36006420, 72012840]

約数ペア:

[(1, 72012840), (2, 36006420), (3, 24004280), (4, 18003210), (5, 14402568), (6, 12002140), (8, 9001605), (10, 7201284), (12, 6001070), (15, 4800856), (20, 3600642), (24, 3000535), (30, 2400428), (40, 1800321), (60, 1200214), (120, 600107), (653, 110280), (919, 78360), (1306, 55140), (1838, 39180), (1959, 36760), (2612, 27570), (2757, 26120), (3265, 22056), (3676, 19590), (3918, 18380), (4595, 15672), (5224, 13785), (5514, 13060), (6530, 11028), (7352, 9795), (7836, 9190)]