81545040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3061}}^1$

素因数の和:3117

約数の個数: 120

約数和(自身を含む): 281348808

約数和(自身を除く): 199803768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3061, 3330, 4440, 5328, 6122, 6660, 8880, 9183, 12244, 13320, 15305, 18366, 24488, 26640, 27549, 30610, 36732, 45915, 48976, 55098, 61220, 73464, 91830, 110196, 113257, 122440, 137745, 146928, 183660, 220392, 226514, 244880, 275490, 339771, 367320, 440784, 453028, 550980, 566285, 679542, 734640, 906056, 1019313, 1101960, 1132570, 1359084, 1698855, 1812112, 2038626, 2203920, 2265140, 2718168, 3397710, 4077252, 4530280, 5096565, 5436336, 6795420, 8154504, 9060560, 10193130, 13590840, 16309008, 20386260, 27181680, 40772520, 81545040]

約数ペア:

[(1, 81545040), (2, 40772520), (3, 27181680), (4, 20386260), (5, 16309008), (6, 13590840), (8, 10193130), (9, 9060560), (10, 8154504), (12, 6795420), (15, 5436336), (16, 5096565), (18, 4530280), (20, 4077252), (24, 3397710), (30, 2718168), (36, 2265140), (37, 2203920), (40, 2038626), (45, 1812112), (48, 1698855), (60, 1359084), (72, 1132570), (74, 1101960), (80, 1019313), (90, 906056), (111, 734640), (120, 679542), (144, 566285), (148, 550980), (180, 453028), (185, 440784), (222, 367320), (240, 339771), (296, 275490), (333, 244880), (360, 226514), (370, 220392), (444, 183660), (555, 146928), (592, 137745), (666, 122440), (720, 113257), (740, 110196), (888, 91830), (1110, 73464), (1332, 61220), (1480, 55098), (1665, 48976), (1776, 45915), (2220, 36732), (2664, 30610), (2960, 27549), (3061, 26640), (3330, 24488), (4440, 18366), (5328, 15305), (6122, 13320), (6660, 12244), (8880, 9183)]