71933840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1968

約数の個数: 80

約数和(自身を含む): 186791616

約数和(自身を除く): 114857776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 1901, 2365, 3440, 3784, 3802, 4730, 7568, 7604, 9460, 9505, 15208, 18920, 19010, 20911, 30416, 37840, 38020, 41822, 76040, 81743, 83644, 104555, 152080, 163486, 167288, 209110, 326972, 334576, 408715, 418220, 653944, 817430, 836440, 899173, 1307888, 1634860, 1672880, 1798346, 3269720, 3596692, 4495865, 6539440, 7193384, 8991730, 14386768, 17983460, 35966920, 71933840]

約数ペア:

[(1, 71933840), (2, 35966920), (4, 17983460), (5, 14386768), (8, 8991730), (10, 7193384), (11, 6539440), (16, 4495865), (20, 3596692), (22, 3269720), (40, 1798346), (43, 1672880), (44, 1634860), (55, 1307888), (80, 899173), (86, 836440), (88, 817430), (110, 653944), (172, 418220), (176, 408715), (215, 334576), (220, 326972), (344, 209110), (430, 167288), (440, 163486), (473, 152080), (688, 104555), (860, 83644), (880, 81743), (946, 76040), (1720, 41822), (1892, 38020), (1901, 37840), (2365, 30416), (3440, 20911), (3784, 19010), (3802, 18920), (4730, 15208), (7568, 9505), (7604, 9460)]