1247678640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4937}}^1$

素因数の和:4978

約数の個数: 240

約数和(自身を含む): 4680512928

約数和(自身を除く): 3432834288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 486, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 972, 1040, 1053, 1080, 1170, 1215, 1296, 1404, 1560, 1620, 1755, 1872, 1944, 2106, 2160, 2340, 2430, 2808, 3120, 3159, 3240, 3510, 3888, 4212, 4680, 4860, 4937, 5265, 5616, 6318, 6480, 7020, 8424, 9360, 9720, 9874, 10530, 12636, 14040, 14811, 15795, 16848, 19440, 19748, 21060, 24685, 25272, 28080, 29622, 31590, 39496, 42120, 44433, 49370, 50544, 59244, 63180, 64181, 74055, 78992, 84240, 88866, 98740, 118488, 126360, 128362, 133299, 148110, 177732, 192543, 197480, 222165, 236976, 252720, 256724, 266598, 296220, 320905, 355464, 385086, 394960, 399897, 444330, 513448, 533196, 577629, 592440, 641810, 666495, 710928, 770172, 799794, 888660, 962715, 1026896, 1066392, 1155258, 1184880, 1199691, 1283620, 1332990, 1540344, 1599588, 1732887, 1777320, 1925430, 1999485, 2132784, 2310516, 2399382, 2567240, 2665980, 2888145, 3080688, 3199176, 3465774, 3554640, 3850860, 3998970, 4621032, 4798764, 5134480, 5198661, 5331960, 5776290, 5998455, 6398352, 6931548, 7701720, 7997940, 8664435, 9242064, 9597528, 10397322, 10663920, 11552580, 11996910, 13863096, 15403440, 15595983, 15995880, 17328870, 19195056, 20794644, 23105160, 23993820, 25993305, 27726192, 31191966, 31991760, 34657740, 41589288, 46210320, 47987640, 51986610, 62383932, 69315480, 77979915, 83178576, 95975280, 103973220, 124767864, 138630960, 155959830, 207946440, 249535728, 311919660, 415892880, 623839320, 1247678640]

約数ペア:

[(1, 1247678640), (2, 623839320), (3, 415892880), (4, 311919660), (5, 249535728), (6, 207946440), (8, 155959830), (9, 138630960), (10, 124767864), (12, 103973220), (13, 95975280), (15, 83178576), (16, 77979915), (18, 69315480), (20, 62383932), (24, 51986610), (26, 47987640), (27, 46210320), (30, 41589288), (36, 34657740), (39, 31991760), (40, 31191966), (45, 27726192), (48, 25993305), (52, 23993820), (54, 23105160), (60, 20794644), (65, 19195056), (72, 17328870), (78, 15995880), (80, 15595983), (81, 15403440), (90, 13863096), (104, 11996910), (108, 11552580), (117, 10663920), (120, 10397322), (130, 9597528), (135, 9242064), (144, 8664435), (156, 7997940), (162, 7701720), (180, 6931548), (195, 6398352), (208, 5998455), (216, 5776290), (234, 5331960), (240, 5198661), (243, 5134480), (260, 4798764), (270, 4621032), (312, 3998970), (324, 3850860), (351, 3554640), (360, 3465774), (390, 3199176), (405, 3080688), (432, 2888145), (468, 2665980), (486, 2567240), (520, 2399382), (540, 2310516), (585, 2132784), (624, 1999485), (648, 1925430), (702, 1777320), (720, 1732887), (780, 1599588), (810, 1540344), (936, 1332990), (972, 1283620), (1040, 1199691), (1053, 1184880), (1080, 1155258), (1170, 1066392), (1215, 1026896), (1296, 962715), (1404, 888660), (1560, 799794), (1620, 770172), (1755, 710928), (1872, 666495), (1944, 641810), (2106, 592440), (2160, 577629), (2340, 533196), (2430, 513448), (2808, 444330), (3120, 399897), (3159, 394960), (3240, 385086), (3510, 355464), (3888, 320905), (4212, 296220), (4680, 266598), (4860, 256724), (4937, 252720), (5265, 236976), (5616, 222165), (6318, 197480), (6480, 192543), (7020, 177732), (8424, 148110), (9360, 133299), (9720, 128362), (9874, 126360), (10530, 118488), (12636, 98740), (14040, 88866), (14811, 84240), (15795, 78992), (16848, 74055), (19440, 64181), (19748, 63180), (21060, 59244), (24685, 50544), (25272, 49370), (28080, 44433), (29622, 42120), (31590, 39496)]