205928040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 643230720

約数和(自身を除く): 437302680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 197, 248, 281, 310, 372, 394, 465, 562, 591, 620, 744, 788, 843, 930, 985, 1124, 1182, 1240, 1405, 1576, 1686, 1860, 1970, 2248, 2364, 2810, 2955, 3372, 3720, 3940, 4215, 4728, 5620, 5910, 6107, 6744, 7880, 8430, 8711, 11240, 11820, 12214, 16860, 17422, 18321, 23640, 24428, 26133, 30535, 33720, 34844, 36642, 43555, 48856, 52266, 55357, 61070, 69688, 73284, 87110, 91605, 104532, 110714, 122140, 130665, 146568, 166071, 174220, 183210, 209064, 221428, 244280, 261330, 276785, 332142, 348440, 366420, 442856, 522660, 553570, 664284, 732840, 830355, 1045320, 1107140, 1328568, 1660710, 1716067, 2214280, 3321420, 3432134, 5148201, 6642840, 6864268, 8580335, 10296402, 13728536, 17160670, 20592804, 25741005, 34321340, 41185608, 51482010, 68642680, 102964020, 205928040]

約数ペア:

[(1, 205928040), (2, 102964020), (3, 68642680), (4, 51482010), (5, 41185608), (6, 34321340), (8, 25741005), (10, 20592804), (12, 17160670), (15, 13728536), (20, 10296402), (24, 8580335), (30, 6864268), (31, 6642840), (40, 5148201), (60, 3432134), (62, 3321420), (93, 2214280), (120, 1716067), (124, 1660710), (155, 1328568), (186, 1107140), (197, 1045320), (248, 830355), (281, 732840), (310, 664284), (372, 553570), (394, 522660), (465, 442856), (562, 366420), (591, 348440), (620, 332142), (744, 276785), (788, 261330), (843, 244280), (930, 221428), (985, 209064), (1124, 183210), (1182, 174220), (1240, 166071), (1405, 146568), (1576, 130665), (1686, 122140), (1860, 110714), (1970, 104532), (2248, 91605), (2364, 87110), (2810, 73284), (2955, 69688), (3372, 61070), (3720, 55357), (3940, 52266), (4215, 48856), (4728, 43555), (5620, 36642), (5910, 34844), (6107, 33720), (6744, 30535), (7880, 26133), (8430, 24428), (8711, 23640), (11240, 18321), (11820, 17422), (12214, 16860)]