279920340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 288

約数和(自身を含む): 1034208000

約数和(自身を除く): 754287660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 71, 84, 90, 98, 105, 108, 126, 135, 140, 142, 147, 149, 180, 189, 196, 210, 213, 245, 252, 270, 284, 294, 298, 315, 355, 378, 420, 426, 441, 447, 490, 497, 540, 588, 596, 630, 639, 710, 735, 745, 756, 852, 882, 894, 945, 980, 994, 1043, 1065, 1260, 1278, 1323, 1341, 1420, 1470, 1490, 1491, 1764, 1788, 1890, 1917, 1988, 2086, 2130, 2205, 2235, 2485, 2556, 2646, 2682, 2940, 2980, 2982, 3129, 3195, 3479, 3780, 3834, 4023, 4172, 4260, 4410, 4470, 4473, 4970, 5215, 5292, 5364, 5964, 6258, 6390, 6615, 6705, 6958, 7301, 7455, 7668, 8046, 8820, 8940, 8946, 9387, 9585, 9940, 10430, 10437, 10579, 12516, 12780, 13230, 13410, 13419, 13916, 14602, 14910, 15645, 16092, 17395, 17892, 18774, 19170, 20115, 20860, 20874, 21158, 21903, 22365, 26460, 26820, 26838, 28161, 29204, 29820, 31290, 31311, 31737, 34790, 36505, 37548, 38340, 40230, 41748, 42316, 43806, 44730, 46935, 52185, 52895, 53676, 56322, 62580, 62622, 63474, 65709, 67095, 69580, 73010, 74053, 80460, 87612, 89460, 93870, 93933, 95211, 104370, 105790, 109515, 112644, 125244, 126948, 131418, 134190, 140805, 146020, 148106, 156555, 158685, 187740, 187866, 190422, 197127, 208740, 211580, 219030, 222159, 262836, 268380, 281610, 285633, 296212, 313110, 317370, 328545, 370265, 375732, 380844, 394254, 438060, 444318, 469665, 476055, 518371, 563220, 571266, 626220, 634740, 657090, 666477, 740530, 788508, 888636, 939330, 952110, 985635, 1036742, 1110795, 1142532, 1314180, 1332954, 1428165, 1481060, 1555113, 1878660, 1904220, 1971270, 1999431, 2073484, 2221590, 2591855, 2665908, 2856330, 3110226, 3332385, 3942540, 3998862, 4443180, 4665339, 5183710, 5712660, 6220452, 6664770, 7775565, 7997724, 9330678, 9997155, 10367420, 13329540, 13996017, 15551130, 18661356, 19994310, 23326695, 27992034, 31102260, 39988620, 46653390, 55984068, 69980085, 93306780, 139960170, 279920340]

約数ペア:

[(1, 279920340), (2, 139960170), (3, 93306780), (4, 69980085), (5, 55984068), (6, 46653390), (7, 39988620), (9, 31102260), (10, 27992034), (12, 23326695), (14, 19994310), (15, 18661356), (18, 15551130), (20, 13996017), (21, 13329540), (27, 10367420), (28, 9997155), (30, 9330678), (35, 7997724), (36, 7775565), (42, 6664770), (45, 6220452), (49, 5712660), (54, 5183710), (60, 4665339), (63, 4443180), (70, 3998862), (71, 3942540), (84, 3332385), (90, 3110226), (98, 2856330), (105, 2665908), (108, 2591855), (126, 2221590), (135, 2073484), (140, 1999431), (142, 1971270), (147, 1904220), (149, 1878660), (180, 1555113), (189, 1481060), (196, 1428165), (210, 1332954), (213, 1314180), (245, 1142532), (252, 1110795), (270, 1036742), (284, 985635), (294, 952110), (298, 939330), (315, 888636), (355, 788508), (378, 740530), (420, 666477), (426, 657090), (441, 634740), (447, 626220), (490, 571266), (497, 563220), (540, 518371), (588, 476055), (596, 469665), (630, 444318), (639, 438060), (710, 394254), (735, 380844), (745, 375732), (756, 370265), (852, 328545), (882, 317370), (894, 313110), (945, 296212), (980, 285633), (994, 281610), (1043, 268380), (1065, 262836), (1260, 222159), (1278, 219030), (1323, 211580), (1341, 208740), (1420, 197127), (1470, 190422), (1490, 187866), (1491, 187740), (1764, 158685), (1788, 156555), (1890, 148106), (1917, 146020), (1988, 140805), (2086, 134190), (2130, 131418), (2205, 126948), (2235, 125244), (2485, 112644), (2556, 109515), (2646, 105790), (2682, 104370), (2940, 95211), (2980, 93933), (2982, 93870), (3129, 89460), (3195, 87612), (3479, 80460), (3780, 74053), (3834, 73010), (4023, 69580), (4172, 67095), (4260, 65709), (4410, 63474), (4470, 62622), (4473, 62580), (4970, 56322), (5215, 53676), (5292, 52895), (5364, 52185), (5964, 46935), (6258, 44730), (6390, 43806), (6615, 42316), (6705, 41748), (6958, 40230), (7301, 38340), (7455, 37548), (7668, 36505), (8046, 34790), (8820, 31737), (8940, 31311), (8946, 31290), (9387, 29820), (9585, 29204), (9940, 28161), (10430, 26838), (10437, 26820), (10579, 26460), (12516, 22365), (12780, 21903), (13230, 21158), (13410, 20874), (13419, 20860), (13916, 20115), (14602, 19170), (14910, 18774), (15645, 17892), (16092, 17395)]