71960220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 234692640

約数和(自身を除く): 162732420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 114, 159, 171, 180, 190, 212, 228, 265, 285, 318, 342, 380, 397, 477, 530, 570, 636, 684, 794, 795, 855, 954, 1007, 1060, 1140, 1191, 1588, 1590, 1710, 1908, 1985, 2014, 2382, 2385, 3021, 3180, 3420, 3573, 3970, 4028, 4764, 4770, 5035, 5955, 6042, 7146, 7543, 7940, 9063, 9540, 10070, 11910, 12084, 14292, 15086, 15105, 17865, 18126, 20140, 21041, 22629, 23820, 30172, 30210, 35730, 36252, 37715, 42082, 45258, 45315, 60420, 63123, 67887, 71460, 75430, 84164, 90516, 90630, 105205, 113145, 126246, 135774, 150860, 181260, 189369, 210410, 226290, 252492, 271548, 315615, 339435, 378738, 399779, 420820, 452580, 631230, 678870, 757476, 799558, 946845, 1199337, 1262460, 1357740, 1599116, 1893690, 1998895, 2398674, 3598011, 3787380, 3997790, 4797348, 5996685, 7196022, 7995580, 11993370, 14392044, 17990055, 23986740, 35980110, 71960220]

約数ペア:

[(1, 71960220), (2, 35980110), (3, 23986740), (4, 17990055), (5, 14392044), (6, 11993370), (9, 7995580), (10, 7196022), (12, 5996685), (15, 4797348), (18, 3997790), (19, 3787380), (20, 3598011), (30, 2398674), (36, 1998895), (38, 1893690), (45, 1599116), (53, 1357740), (57, 1262460), (60, 1199337), (76, 946845), (90, 799558), (95, 757476), (106, 678870), (114, 631230), (159, 452580), (171, 420820), (180, 399779), (190, 378738), (212, 339435), (228, 315615), (265, 271548), (285, 252492), (318, 226290), (342, 210410), (380, 189369), (397, 181260), (477, 150860), (530, 135774), (570, 126246), (636, 113145), (684, 105205), (794, 90630), (795, 90516), (855, 84164), (954, 75430), (1007, 71460), (1060, 67887), (1140, 63123), (1191, 60420), (1588, 45315), (1590, 45258), (1710, 42082), (1908, 37715), (1985, 36252), (2014, 35730), (2382, 30210), (2385, 30172), (3021, 23820), (3180, 22629), (3420, 21041), (3573, 20140), (3970, 18126), (4028, 17865), (4764, 15105), (4770, 15086), (5035, 14292), (5955, 12084), (6042, 11910), (7146, 10070), (7543, 9540), (7940, 9063)]