287935440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:302

約数の個数: 240

約数和(自身を含む): 1002078720

約数和(自身を除く): 714143280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 169, 186, 195, 208, 229, 240, 248, 260, 310, 312, 338, 372, 390, 403, 458, 465, 496, 507, 520, 620, 624, 676, 687, 744, 780, 806, 845, 916, 930, 1014, 1040, 1145, 1209, 1240, 1352, 1374, 1488, 1560, 1612, 1690, 1832, 1860, 2015, 2028, 2290, 2418, 2480, 2535, 2704, 2748, 2977, 3120, 3224, 3380, 3435, 3664, 3720, 4030, 4056, 4580, 4836, 5070, 5239, 5496, 5954, 6045, 6448, 6760, 6870, 7099, 7440, 8060, 8112, 8931, 9160, 9672, 10140, 10478, 10992, 11908, 12090, 13520, 13740, 14198, 14885, 15717, 16120, 17862, 18320, 19344, 20280, 20956, 21297, 23816, 24180, 26195, 27480, 28396, 29770, 31434, 32240, 35495, 35724, 38701, 40560, 41912, 42594, 44655, 47632, 48360, 52390, 54960, 56792, 59540, 62868, 70990, 71448, 77402, 78585, 83824, 85188, 89310, 92287, 96720, 104780, 106485, 113584, 116103, 119080, 125736, 141980, 142896, 154804, 157170, 170376, 178620, 184574, 193505, 209560, 212970, 232206, 238160, 251472, 276861, 283960, 309608, 314340, 340752, 357240, 369148, 387010, 419120, 425940, 461435, 464412, 553722, 567920, 580515, 619216, 628680, 714480, 738296, 774020, 851880, 922870, 928824, 1107444, 1161030, 1199731, 1257360, 1384305, 1476592, 1548040, 1703760, 1845740, 1857648, 2214888, 2322060, 2399462, 2768610, 3096080, 3599193, 3691480, 4429776, 4644120, 4798924, 5537220, 5998655, 7198386, 7382960, 9288240, 9597848, 11074440, 11997310, 14396772, 17995965, 19195696, 22148880, 23994620, 28793544, 35991930, 47989240, 57587088, 71983860, 95978480, 143967720, 287935440]

約数ペア:

[(1, 287935440), (2, 143967720), (3, 95978480), (4, 71983860), (5, 57587088), (6, 47989240), (8, 35991930), (10, 28793544), (12, 23994620), (13, 22148880), (15, 19195696), (16, 17995965), (20, 14396772), (24, 11997310), (26, 11074440), (30, 9597848), (31, 9288240), (39, 7382960), (40, 7198386), (48, 5998655), (52, 5537220), (60, 4798924), (62, 4644120), (65, 4429776), (78, 3691480), (80, 3599193), (93, 3096080), (104, 2768610), (120, 2399462), (124, 2322060), (130, 2214888), (155, 1857648), (156, 1845740), (169, 1703760), (186, 1548040), (195, 1476592), (208, 1384305), (229, 1257360), (240, 1199731), (248, 1161030), (260, 1107444), (310, 928824), (312, 922870), (338, 851880), (372, 774020), (390, 738296), (403, 714480), (458, 628680), (465, 619216), (496, 580515), (507, 567920), (520, 553722), (620, 464412), (624, 461435), (676, 425940), (687, 419120), (744, 387010), (780, 369148), (806, 357240), (845, 340752), (916, 314340), (930, 309608), (1014, 283960), (1040, 276861), (1145, 251472), (1209, 238160), (1240, 232206), (1352, 212970), (1374, 209560), (1488, 193505), (1560, 184574), (1612, 178620), (1690, 170376), (1832, 157170), (1860, 154804), (2015, 142896), (2028, 141980), (2290, 125736), (2418, 119080), (2480, 116103), (2535, 113584), (2704, 106485), (2748, 104780), (2977, 96720), (3120, 92287), (3224, 89310), (3380, 85188), (3435, 83824), (3664, 78585), (3720, 77402), (4030, 71448), (4056, 70990), (4580, 62868), (4836, 59540), (5070, 56792), (5239, 54960), (5496, 52390), (5954, 48360), (6045, 47632), (6448, 44655), (6760, 42594), (6870, 41912), (7099, 40560), (7440, 38701), (8060, 35724), (8112, 35495), (8931, 32240), (9160, 31434), (9672, 29770), (10140, 28396), (10478, 27480), (10992, 26195), (11908, 24180), (12090, 23816), (13520, 21297), (13740, 20956), (14198, 20280), (14885, 19344), (15717, 18320), (16120, 17862)]