81618912

素因数分解:

$2^5\times 3^2\times {\mathrm{167}}^1\times {\mathrm{1697}}^1$

素因数の和:1880

約数の個数: 72

約数和(自身を含む): 233631216

約数和(自身を除く): 152012304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 167, 288, 334, 501, 668, 1002, 1336, 1503, 1697, 2004, 2672, 3006, 3394, 4008, 5091, 5344, 6012, 6788, 8016, 10182, 12024, 13576, 15273, 16032, 20364, 24048, 27152, 30546, 40728, 48096, 54304, 61092, 81456, 122184, 162912, 244368, 283399, 488736, 566798, 850197, 1133596, 1700394, 2267192, 2550591, 3400788, 4534384, 5101182, 6801576, 9068768, 10202364, 13603152, 20404728, 27206304, 40809456, 81618912]

約数ペア:

[(1, 81618912), (2, 40809456), (3, 27206304), (4, 20404728), (6, 13603152), (8, 10202364), (9, 9068768), (12, 6801576), (16, 5101182), (18, 4534384), (24, 3400788), (32, 2550591), (36, 2267192), (48, 1700394), (72, 1133596), (96, 850197), (144, 566798), (167, 488736), (288, 283399), (334, 244368), (501, 162912), (668, 122184), (1002, 81456), (1336, 61092), (1503, 54304), (1697, 48096), (2004, 40728), (2672, 30546), (3006, 27152), (3394, 24048), (4008, 20364), (5091, 16032), (5344, 15273), (6012, 13576), (6788, 12024), (8016, 10182)]