72018320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81839}}^1$

素因数の和:81863

約数の個数: 40

約数和(自身を含む): 182666880

約数和(自身を除く): 110648560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81839, 163678, 327356, 409195, 654712, 818390, 900229, 1309424, 1636780, 1800458, 3273560, 3600916, 4501145, 6547120, 7201832, 9002290, 14403664, 18004580, 36009160, 72018320]

約数ペア:

[(1, 72018320), (2, 36009160), (4, 18004580), (5, 14403664), (8, 9002290), (10, 7201832), (11, 6547120), (16, 4501145), (20, 3600916), (22, 3273560), (40, 1800458), (44, 1636780), (55, 1309424), (80, 900229), (88, 818390), (110, 654712), (176, 409195), (220, 327356), (440, 163678), (880, 81839)]