207905880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 256

約数和(自身を含む): 780595200

約数和(自身を除く): 572689320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 79, 84, 91, 104, 105, 120, 130, 140, 156, 158, 168, 182, 195, 210, 237, 241, 260, 273, 280, 312, 316, 364, 390, 395, 420, 455, 474, 482, 520, 546, 553, 632, 723, 728, 780, 790, 840, 910, 948, 964, 1027, 1092, 1106, 1185, 1205, 1365, 1446, 1560, 1580, 1659, 1687, 1820, 1896, 1928, 2054, 2184, 2212, 2370, 2410, 2730, 2765, 2892, 3081, 3133, 3160, 3318, 3374, 3615, 3640, 4108, 4424, 4740, 4820, 5061, 5135, 5460, 5530, 5784, 6162, 6266, 6636, 6748, 7189, 7230, 8216, 8295, 8435, 9399, 9480, 9640, 10122, 10270, 10920, 11060, 12324, 12532, 13272, 13496, 14378, 14460, 15405, 15665, 16590, 16870, 18798, 19039, 20244, 20540, 21567, 21931, 22120, 24648, 25064, 25305, 28756, 28920, 30810, 31330, 33180, 33740, 35945, 37596, 38078, 40488, 41080, 43134, 43862, 46995, 50610, 57117, 57512, 61620, 62660, 65793, 66360, 67480, 71890, 75192, 76156, 86268, 87724, 93990, 95195, 101220, 107835, 109655, 114234, 123240, 125320, 131586, 133273, 143780, 152312, 172536, 175448, 187980, 190390, 202440, 215670, 219310, 228468, 247507, 263172, 266546, 285585, 287560, 328965, 375960, 380780, 399819, 431340, 438620, 456936, 495014, 526344, 533092, 571170, 657930, 666365, 742521, 761560, 799638, 862680, 877240, 990028, 1066184, 1142340, 1237535, 1315860, 1332730, 1485042, 1599276, 1732549, 1980056, 1999095, 2284680, 2475070, 2631720, 2665460, 2970084, 3198552, 3465098, 3712605, 3998190, 4950140, 5197647, 5330920, 5940168, 6930196, 7425210, 7996380, 8662745, 9900280, 10395294, 13860392, 14850420, 15992760, 17325490, 20790588, 25988235, 29700840, 34650980, 41581176, 51976470, 69301960, 103952940, 207905880]

約数ペア:

[(1, 207905880), (2, 103952940), (3, 69301960), (4, 51976470), (5, 41581176), (6, 34650980), (7, 29700840), (8, 25988235), (10, 20790588), (12, 17325490), (13, 15992760), (14, 14850420), (15, 13860392), (20, 10395294), (21, 9900280), (24, 8662745), (26, 7996380), (28, 7425210), (30, 6930196), (35, 5940168), (39, 5330920), (40, 5197647), (42, 4950140), (52, 3998190), (56, 3712605), (60, 3465098), (65, 3198552), (70, 2970084), (78, 2665460), (79, 2631720), (84, 2475070), (91, 2284680), (104, 1999095), (105, 1980056), (120, 1732549), (130, 1599276), (140, 1485042), (156, 1332730), (158, 1315860), (168, 1237535), (182, 1142340), (195, 1066184), (210, 990028), (237, 877240), (241, 862680), (260, 799638), (273, 761560), (280, 742521), (312, 666365), (316, 657930), (364, 571170), (390, 533092), (395, 526344), (420, 495014), (455, 456936), (474, 438620), (482, 431340), (520, 399819), (546, 380780), (553, 375960), (632, 328965), (723, 287560), (728, 285585), (780, 266546), (790, 263172), (840, 247507), (910, 228468), (948, 219310), (964, 215670), (1027, 202440), (1092, 190390), (1106, 187980), (1185, 175448), (1205, 172536), (1365, 152312), (1446, 143780), (1560, 133273), (1580, 131586), (1659, 125320), (1687, 123240), (1820, 114234), (1896, 109655), (1928, 107835), (2054, 101220), (2184, 95195), (2212, 93990), (2370, 87724), (2410, 86268), (2730, 76156), (2765, 75192), (2892, 71890), (3081, 67480), (3133, 66360), (3160, 65793), (3318, 62660), (3374, 61620), (3615, 57512), (3640, 57117), (4108, 50610), (4424, 46995), (4740, 43862), (4820, 43134), (5061, 41080), (5135, 40488), (5460, 38078), (5530, 37596), (5784, 35945), (6162, 33740), (6266, 33180), (6636, 31330), (6748, 30810), (7189, 28920), (7230, 28756), (8216, 25305), (8295, 25064), (8435, 24648), (9399, 22120), (9480, 21931), (9640, 21567), (10122, 20540), (10270, 20244), (10920, 19039), (11060, 18798), (12324, 16870), (12532, 16590), (13272, 15665), (13496, 15405), (14378, 14460)]