247157820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 288

約数和(自身を含む): 939294720

約数和(自身を除く): 692136900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 79, 84, 90, 91, 105, 117, 126, 130, 140, 156, 158, 180, 182, 191, 195, 210, 234, 237, 252, 260, 273, 315, 316, 364, 382, 390, 395, 420, 455, 468, 474, 546, 553, 573, 585, 630, 711, 764, 780, 790, 819, 910, 948, 955, 1027, 1092, 1106, 1146, 1170, 1185, 1260, 1337, 1365, 1422, 1580, 1638, 1659, 1719, 1820, 1910, 2054, 2212, 2292, 2340, 2370, 2483, 2674, 2730, 2765, 2844, 2865, 3081, 3276, 3318, 3438, 3555, 3820, 4011, 4095, 4108, 4740, 4966, 4977, 5135, 5348, 5460, 5530, 5730, 6162, 6636, 6685, 6876, 7110, 7189, 7449, 8022, 8190, 8295, 8595, 9243, 9932, 9954, 10270, 11060, 11460, 12033, 12324, 12415, 13370, 14220, 14378, 14898, 15089, 15405, 16044, 16380, 16590, 17190, 17381, 18486, 19908, 20055, 20540, 21567, 22347, 24066, 24830, 24885, 26740, 28756, 29796, 30178, 30810, 33180, 34380, 34762, 35945, 36972, 37245, 40110, 43134, 44694, 45267, 46215, 48132, 49660, 49770, 52143, 60165, 60356, 61620, 64701, 69524, 71890, 74490, 75445, 80220, 86268, 86905, 89388, 90534, 92430, 99540, 104286, 105623, 107835, 111735, 120330, 129402, 135801, 143780, 148980, 150890, 156429, 173810, 181068, 184860, 196157, 208572, 211246, 215670, 223470, 226335, 240660, 258804, 260715, 271602, 301780, 312858, 316869, 323505, 347620, 392314, 422492, 431340, 446940, 452670, 521430, 528115, 543204, 588471, 625716, 633738, 647010, 679005, 782145, 784628, 905340, 950607, 980785, 1042860, 1056230, 1176942, 1267476, 1294020, 1358010, 1373099, 1564290, 1584345, 1765413, 1901214, 1961570, 2112460, 2353884, 2716020, 2746198, 2942355, 3128580, 3168690, 3530826, 3802428, 3923140, 4119297, 4753035, 5492396, 5884710, 6337380, 6865495, 7061652, 8238594, 8827065, 9506070, 11769420, 12357891, 13730990, 16477188, 17654130, 19012140, 20596485, 24715782, 27461980, 35308260, 41192970, 49431564, 61789455, 82385940, 123578910, 247157820]

約数ペア:

[(1, 247157820), (2, 123578910), (3, 82385940), (4, 61789455), (5, 49431564), (6, 41192970), (7, 35308260), (9, 27461980), (10, 24715782), (12, 20596485), (13, 19012140), (14, 17654130), (15, 16477188), (18, 13730990), (20, 12357891), (21, 11769420), (26, 9506070), (28, 8827065), (30, 8238594), (35, 7061652), (36, 6865495), (39, 6337380), (42, 5884710), (45, 5492396), (52, 4753035), (60, 4119297), (63, 3923140), (65, 3802428), (70, 3530826), (78, 3168690), (79, 3128580), (84, 2942355), (90, 2746198), (91, 2716020), (105, 2353884), (117, 2112460), (126, 1961570), (130, 1901214), (140, 1765413), (156, 1584345), (158, 1564290), (180, 1373099), (182, 1358010), (191, 1294020), (195, 1267476), (210, 1176942), (234, 1056230), (237, 1042860), (252, 980785), (260, 950607), (273, 905340), (315, 784628), (316, 782145), (364, 679005), (382, 647010), (390, 633738), (395, 625716), (420, 588471), (455, 543204), (468, 528115), (474, 521430), (546, 452670), (553, 446940), (573, 431340), (585, 422492), (630, 392314), (711, 347620), (764, 323505), (780, 316869), (790, 312858), (819, 301780), (910, 271602), (948, 260715), (955, 258804), (1027, 240660), (1092, 226335), (1106, 223470), (1146, 215670), (1170, 211246), (1185, 208572), (1260, 196157), (1337, 184860), (1365, 181068), (1422, 173810), (1580, 156429), (1638, 150890), (1659, 148980), (1719, 143780), (1820, 135801), (1910, 129402), (2054, 120330), (2212, 111735), (2292, 107835), (2340, 105623), (2370, 104286), (2483, 99540), (2674, 92430), (2730, 90534), (2765, 89388), (2844, 86905), (2865, 86268), (3081, 80220), (3276, 75445), (3318, 74490), (3438, 71890), (3555, 69524), (3820, 64701), (4011, 61620), (4095, 60356), (4108, 60165), (4740, 52143), (4966, 49770), (4977, 49660), (5135, 48132), (5348, 46215), (5460, 45267), (5530, 44694), (5730, 43134), (6162, 40110), (6636, 37245), (6685, 36972), (6876, 35945), (7110, 34762), (7189, 34380), (7449, 33180), (8022, 30810), (8190, 30178), (8295, 29796), (8595, 28756), (9243, 26740), (9932, 24885), (9954, 24830), (10270, 24066), (11060, 22347), (11460, 21567), (12033, 20540), (12324, 20055), (12415, 19908), (13370, 18486), (14220, 17381), (14378, 17190), (14898, 16590), (15089, 16380), (15405, 16044)]