42408520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 128

約数和(自身を含む): 121824000

約数和(自身を除く): 79415480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 281, 308, 343, 385, 392, 440, 490, 539, 562, 616, 686, 770, 980, 1078, 1124, 1372, 1405, 1540, 1715, 1960, 1967, 2156, 2248, 2695, 2744, 2810, 3080, 3091, 3430, 3773, 3934, 4312, 5390, 5620, 6182, 6860, 7546, 7868, 9835, 10780, 11240, 12364, 13720, 13769, 15092, 15455, 15736, 18865, 19670, 21560, 21637, 24728, 27538, 30184, 30910, 37730, 39340, 43274, 55076, 61820, 68845, 75460, 78680, 86548, 96383, 108185, 110152, 123640, 137690, 150920, 151459, 173096, 192766, 216370, 275380, 302918, 385532, 432740, 481915, 550760, 605836, 757295, 771064, 865480, 963830, 1060213, 1211672, 1514590, 1927660, 2120426, 3029180, 3855320, 4240852, 5301065, 6058360, 8481704, 10602130, 21204260, 42408520]

約数ペア:

[(1, 42408520), (2, 21204260), (4, 10602130), (5, 8481704), (7, 6058360), (8, 5301065), (10, 4240852), (11, 3855320), (14, 3029180), (20, 2120426), (22, 1927660), (28, 1514590), (35, 1211672), (40, 1060213), (44, 963830), (49, 865480), (55, 771064), (56, 757295), (70, 605836), (77, 550760), (88, 481915), (98, 432740), (110, 385532), (140, 302918), (154, 275380), (196, 216370), (220, 192766), (245, 173096), (280, 151459), (281, 150920), (308, 137690), (343, 123640), (385, 110152), (392, 108185), (440, 96383), (490, 86548), (539, 78680), (562, 75460), (616, 68845), (686, 61820), (770, 55076), (980, 43274), (1078, 39340), (1124, 37730), (1372, 30910), (1405, 30184), (1540, 27538), (1715, 24728), (1960, 21637), (1967, 21560), (2156, 19670), (2248, 18865), (2695, 15736), (2744, 15455), (2810, 15092), (3080, 13769), (3091, 13720), (3430, 12364), (3773, 11240), (3934, 10780), (4312, 9835), (5390, 7868), (5620, 7546), (6182, 6860)]