279336720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 960688512

約数和(自身を除く): 681351792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 71, 78, 80, 97, 104, 120, 130, 142, 156, 169, 194, 195, 208, 213, 240, 260, 284, 291, 312, 338, 355, 388, 390, 426, 485, 507, 520, 568, 582, 624, 676, 710, 776, 780, 845, 852, 923, 970, 1014, 1040, 1065, 1136, 1164, 1261, 1352, 1420, 1455, 1552, 1560, 1690, 1704, 1846, 1940, 2028, 2130, 2328, 2522, 2535, 2704, 2769, 2840, 2910, 3120, 3380, 3408, 3692, 3783, 3880, 4056, 4260, 4615, 4656, 5044, 5070, 5538, 5680, 5820, 6305, 6760, 6887, 7384, 7566, 7760, 8112, 8520, 9230, 10088, 10140, 11076, 11640, 11999, 12610, 13520, 13774, 13845, 14768, 15132, 16393, 17040, 18460, 18915, 20176, 20280, 20661, 22152, 23280, 23998, 25220, 27548, 27690, 30264, 32786, 34435, 35997, 36920, 37830, 40560, 41322, 44304, 47996, 49179, 50440, 55096, 55380, 59995, 60528, 65572, 68870, 71994, 73840, 75660, 81965, 82644, 89531, 95992, 98358, 100880, 103305, 110192, 110760, 119990, 131144, 137740, 143988, 151320, 163930, 165288, 179062, 179985, 191984, 196716, 206610, 221520, 239980, 245895, 262288, 268593, 275480, 287976, 302640, 327860, 330576, 358124, 359970, 393432, 413220, 447655, 479960, 491790, 537186, 550960, 575952, 655720, 716248, 719940, 786864, 826440, 895310, 959920, 983580, 1074372, 1163903, 1311440, 1342965, 1432496, 1439880, 1652880, 1790620, 1967160, 2148744, 2327806, 2685930, 2879760, 3491709, 3581240, 3934320, 4297488, 4655612, 5371860, 5819515, 6983418, 7162480, 9311224, 10743720, 11639030, 13966836, 17458545, 18622448, 21487440, 23278060, 27933672, 34917090, 46556120, 55867344, 69834180, 93112240, 139668360, 279336720]

約数ペア:

[(1, 279336720), (2, 139668360), (3, 93112240), (4, 69834180), (5, 55867344), (6, 46556120), (8, 34917090), (10, 27933672), (12, 23278060), (13, 21487440), (15, 18622448), (16, 17458545), (20, 13966836), (24, 11639030), (26, 10743720), (30, 9311224), (39, 7162480), (40, 6983418), (48, 5819515), (52, 5371860), (60, 4655612), (65, 4297488), (71, 3934320), (78, 3581240), (80, 3491709), (97, 2879760), (104, 2685930), (120, 2327806), (130, 2148744), (142, 1967160), (156, 1790620), (169, 1652880), (194, 1439880), (195, 1432496), (208, 1342965), (213, 1311440), (240, 1163903), (260, 1074372), (284, 983580), (291, 959920), (312, 895310), (338, 826440), (355, 786864), (388, 719940), (390, 716248), (426, 655720), (485, 575952), (507, 550960), (520, 537186), (568, 491790), (582, 479960), (624, 447655), (676, 413220), (710, 393432), (776, 359970), (780, 358124), (845, 330576), (852, 327860), (923, 302640), (970, 287976), (1014, 275480), (1040, 268593), (1065, 262288), (1136, 245895), (1164, 239980), (1261, 221520), (1352, 206610), (1420, 196716), (1455, 191984), (1552, 179985), (1560, 179062), (1690, 165288), (1704, 163930), (1846, 151320), (1940, 143988), (2028, 137740), (2130, 131144), (2328, 119990), (2522, 110760), (2535, 110192), (2704, 103305), (2769, 100880), (2840, 98358), (2910, 95992), (3120, 89531), (3380, 82644), (3408, 81965), (3692, 75660), (3783, 73840), (3880, 71994), (4056, 68870), (4260, 65572), (4615, 60528), (4656, 59995), (5044, 55380), (5070, 55096), (5538, 50440), (5680, 49179), (5820, 47996), (6305, 44304), (6760, 41322), (6887, 40560), (7384, 37830), (7566, 36920), (7760, 35997), (8112, 34435), (8520, 32786), (9230, 30264), (10088, 27690), (10140, 27548), (11076, 25220), (11640, 23998), (11999, 23280), (12610, 22152), (13520, 20661), (13774, 20280), (13845, 20176), (14768, 18915), (15132, 18460), (16393, 17040)]