42520920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 139285440

約数和(自身を除く): 96764520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 97, 104, 120, 130, 156, 194, 195, 260, 281, 291, 312, 388, 390, 485, 520, 562, 582, 776, 780, 843, 970, 1124, 1164, 1261, 1405, 1455, 1560, 1686, 1940, 2248, 2328, 2522, 2810, 2910, 3372, 3653, 3783, 3880, 4215, 5044, 5620, 5820, 6305, 6744, 7306, 7566, 8430, 10088, 10959, 11240, 11640, 12610, 14612, 15132, 16860, 18265, 18915, 21918, 25220, 27257, 29224, 30264, 33720, 36530, 37830, 43836, 50440, 54514, 54795, 73060, 75660, 81771, 87672, 109028, 109590, 136285, 146120, 151320, 163542, 218056, 219180, 272570, 327084, 354341, 408855, 438360, 545140, 654168, 708682, 817710, 1063023, 1090280, 1417364, 1635420, 1771705, 2126046, 2834728, 3270840, 3543410, 4252092, 5315115, 7086820, 8504184, 10630230, 14173640, 21260460, 42520920]

約数ペア:

[(1, 42520920), (2, 21260460), (3, 14173640), (4, 10630230), (5, 8504184), (6, 7086820), (8, 5315115), (10, 4252092), (12, 3543410), (13, 3270840), (15, 2834728), (20, 2126046), (24, 1771705), (26, 1635420), (30, 1417364), (39, 1090280), (40, 1063023), (52, 817710), (60, 708682), (65, 654168), (78, 545140), (97, 438360), (104, 408855), (120, 354341), (130, 327084), (156, 272570), (194, 219180), (195, 218056), (260, 163542), (281, 151320), (291, 146120), (312, 136285), (388, 109590), (390, 109028), (485, 87672), (520, 81771), (562, 75660), (582, 73060), (776, 54795), (780, 54514), (843, 50440), (970, 43836), (1124, 37830), (1164, 36530), (1261, 33720), (1405, 30264), (1455, 29224), (1560, 27257), (1686, 25220), (1940, 21918), (2248, 18915), (2328, 18265), (2522, 16860), (2810, 15132), (2910, 14612), (3372, 12610), (3653, 11640), (3783, 11240), (3880, 10959), (4215, 10088), (5044, 8430), (5620, 7566), (5820, 7306), (6305, 6744)]