72778440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3767}}^1$

素因数の和:3811

約数の個数: 128

約数和(自身を含む): 260444160

約数和(自身を除く): 187665720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3767, 3864, 4830, 6440, 7534, 9660, 11301, 15068, 18835, 19320, 22602, 26369, 30136, 37670, 45204, 52738, 56505, 75340, 79107, 86641, 90408, 105476, 113010, 131845, 150680, 158214, 173282, 210952, 226020, 259923, 263690, 316428, 346564, 395535, 433205, 452040, 519846, 527380, 606487, 632856, 693128, 791070, 866410, 1039692, 1054760, 1212974, 1299615, 1582140, 1732820, 1819461, 2079384, 2425948, 2599230, 3032435, 3164280, 3465640, 3638922, 4851896, 5198460, 6064870, 7277844, 9097305, 10396920, 12129740, 14555688, 18194610, 24259480, 36389220, 72778440]

約数ペア:

[(1, 72778440), (2, 36389220), (3, 24259480), (4, 18194610), (5, 14555688), (6, 12129740), (7, 10396920), (8, 9097305), (10, 7277844), (12, 6064870), (14, 5198460), (15, 4851896), (20, 3638922), (21, 3465640), (23, 3164280), (24, 3032435), (28, 2599230), (30, 2425948), (35, 2079384), (40, 1819461), (42, 1732820), (46, 1582140), (56, 1299615), (60, 1212974), (69, 1054760), (70, 1039692), (84, 866410), (92, 791070), (105, 693128), (115, 632856), (120, 606487), (138, 527380), (140, 519846), (161, 452040), (168, 433205), (184, 395535), (210, 346564), (230, 316428), (276, 263690), (280, 259923), (322, 226020), (345, 210952), (420, 173282), (460, 158214), (483, 150680), (552, 131845), (644, 113010), (690, 105476), (805, 90408), (840, 86641), (920, 79107), (966, 75340), (1288, 56505), (1380, 52738), (1610, 45204), (1932, 37670), (2415, 30136), (2760, 26369), (3220, 22602), (3767, 19320), (3864, 18835), (4830, 15068), (6440, 11301), (7534, 9660)]