15998580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 55883520

約数和(自身を除く): 39884940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 43, 45, 52, 53, 54, 60, 65, 78, 86, 90, 106, 108, 117, 129, 130, 135, 156, 159, 172, 180, 195, 212, 215, 234, 258, 260, 265, 270, 318, 351, 387, 390, 430, 468, 477, 516, 530, 540, 559, 585, 636, 645, 689, 702, 774, 780, 795, 860, 954, 1060, 1118, 1161, 1170, 1290, 1378, 1404, 1431, 1548, 1590, 1677, 1755, 1908, 1935, 2067, 2236, 2279, 2322, 2340, 2385, 2580, 2756, 2795, 2862, 3180, 3354, 3445, 3510, 3870, 4134, 4558, 4644, 4770, 5031, 5590, 5724, 5805, 6201, 6708, 6837, 6890, 7020, 7155, 7740, 8268, 8385, 9116, 9540, 10062, 10335, 11180, 11395, 11610, 12402, 13674, 13780, 14310, 15093, 16770, 18603, 20124, 20511, 20670, 22790, 23220, 24804, 25155, 27348, 28620, 29627, 30186, 31005, 33540, 34185, 37206, 41022, 41340, 45580, 50310, 59254, 60372, 61533, 62010, 68370, 74412, 75465, 82044, 88881, 93015, 100620, 102555, 118508, 123066, 124020, 136740, 148135, 150930, 177762, 186030, 205110, 246132, 266643, 296270, 301860, 307665, 355524, 372060, 410220, 444405, 533286, 592540, 615330, 799929, 888810, 1066572, 1230660, 1333215, 1599858, 1777620, 2666430, 3199716, 3999645, 5332860, 7999290, 15998580]

約数ペア:

[(1, 15998580), (2, 7999290), (3, 5332860), (4, 3999645), (5, 3199716), (6, 2666430), (9, 1777620), (10, 1599858), (12, 1333215), (13, 1230660), (15, 1066572), (18, 888810), (20, 799929), (26, 615330), (27, 592540), (30, 533286), (36, 444405), (39, 410220), (43, 372060), (45, 355524), (52, 307665), (53, 301860), (54, 296270), (60, 266643), (65, 246132), (78, 205110), (86, 186030), (90, 177762), (106, 150930), (108, 148135), (117, 136740), (129, 124020), (130, 123066), (135, 118508), (156, 102555), (159, 100620), (172, 93015), (180, 88881), (195, 82044), (212, 75465), (215, 74412), (234, 68370), (258, 62010), (260, 61533), (265, 60372), (270, 59254), (318, 50310), (351, 45580), (387, 41340), (390, 41022), (430, 37206), (468, 34185), (477, 33540), (516, 31005), (530, 30186), (540, 29627), (559, 28620), (585, 27348), (636, 25155), (645, 24804), (689, 23220), (702, 22790), (774, 20670), (780, 20511), (795, 20124), (860, 18603), (954, 16770), (1060, 15093), (1118, 14310), (1161, 13780), (1170, 13674), (1290, 12402), (1378, 11610), (1404, 11395), (1431, 11180), (1548, 10335), (1590, 10062), (1677, 9540), (1755, 9116), (1908, 8385), (1935, 8268), (2067, 7740), (2236, 7155), (2279, 7020), (2322, 6890), (2340, 6837), (2385, 6708), (2580, 6201), (2756, 5805), (2795, 5724), (2862, 5590), (3180, 5031), (3354, 4770), (3445, 4644), (3510, 4558), (3870, 4134)]