28410720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 192

約数和(自身を含む): 100336320

約数和(自身を除く): 71925600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 32, 39, 40, 48, 52, 58, 60, 65, 78, 80, 87, 96, 104, 116, 120, 130, 145, 156, 157, 160, 174, 195, 208, 232, 240, 260, 290, 312, 314, 348, 377, 390, 416, 435, 464, 471, 480, 520, 580, 624, 628, 696, 754, 780, 785, 870, 928, 942, 1040, 1131, 1160, 1248, 1256, 1392, 1508, 1560, 1570, 1740, 1884, 1885, 2041, 2080, 2262, 2320, 2355, 2512, 2784, 3016, 3120, 3140, 3480, 3768, 3770, 4082, 4524, 4553, 4640, 4710, 5024, 5655, 6032, 6123, 6240, 6280, 6960, 7536, 7540, 8164, 9048, 9106, 9420, 10205, 11310, 12064, 12246, 12560, 13659, 13920, 15072, 15080, 16328, 18096, 18212, 18840, 20410, 22620, 22765, 24492, 25120, 27318, 30160, 30615, 32656, 36192, 36424, 37680, 40820, 45240, 45530, 48984, 54636, 59189, 60320, 61230, 65312, 68295, 72848, 75360, 81640, 90480, 91060, 97968, 109272, 118378, 122460, 136590, 145696, 163280, 177567, 180960, 182120, 195936, 218544, 236756, 244920, 273180, 295945, 326560, 355134, 364240, 437088, 473512, 489840, 546360, 591890, 710268, 728480, 887835, 947024, 979680, 1092720, 1183780, 1420536, 1775670, 1894048, 2185440, 2367560, 2841072, 3551340, 4735120, 5682144, 7102680, 9470240, 14205360, 28410720]

約数ペア:

[(1, 28410720), (2, 14205360), (3, 9470240), (4, 7102680), (5, 5682144), (6, 4735120), (8, 3551340), (10, 2841072), (12, 2367560), (13, 2185440), (15, 1894048), (16, 1775670), (20, 1420536), (24, 1183780), (26, 1092720), (29, 979680), (30, 947024), (32, 887835), (39, 728480), (40, 710268), (48, 591890), (52, 546360), (58, 489840), (60, 473512), (65, 437088), (78, 364240), (80, 355134), (87, 326560), (96, 295945), (104, 273180), (116, 244920), (120, 236756), (130, 218544), (145, 195936), (156, 182120), (157, 180960), (160, 177567), (174, 163280), (195, 145696), (208, 136590), (232, 122460), (240, 118378), (260, 109272), (290, 97968), (312, 91060), (314, 90480), (348, 81640), (377, 75360), (390, 72848), (416, 68295), (435, 65312), (464, 61230), (471, 60320), (480, 59189), (520, 54636), (580, 48984), (624, 45530), (628, 45240), (696, 40820), (754, 37680), (780, 36424), (785, 36192), (870, 32656), (928, 30615), (942, 30160), (1040, 27318), (1131, 25120), (1160, 24492), (1248, 22765), (1256, 22620), (1392, 20410), (1508, 18840), (1560, 18212), (1570, 18096), (1740, 16328), (1884, 15080), (1885, 15072), (2041, 13920), (2080, 13659), (2262, 12560), (2320, 12246), (2355, 12064), (2512, 11310), (2784, 10205), (3016, 9420), (3120, 9106), (3140, 9048), (3480, 8164), (3768, 7540), (3770, 7536), (4082, 6960), (4524, 6280), (4553, 6240), (4640, 6123), (4710, 6032), (5024, 5655)]