216543680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:394

約数の個数: 112

約数和(自身を含む): 540739584

約数和(自身を除く): 324195904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 124, 155, 160, 166, 248, 263, 310, 320, 332, 415, 496, 526, 620, 664, 830, 992, 1052, 1240, 1315, 1328, 1660, 1984, 2104, 2480, 2573, 2630, 2656, 3320, 4208, 4960, 5146, 5260, 5312, 6640, 8153, 8416, 9920, 10292, 10520, 12865, 13280, 16306, 16832, 20584, 21040, 21829, 25730, 26560, 32612, 40765, 41168, 42080, 43658, 51460, 65224, 81530, 82336, 84160, 87316, 102920, 109145, 130448, 163060, 164672, 174632, 205840, 218290, 260896, 326120, 349264, 411680, 436580, 521792, 652240, 676699, 698528, 823360, 873160, 1304480, 1353398, 1397056, 1746320, 2608960, 2706796, 3383495, 3492640, 5413592, 6766990, 6985280, 10827184, 13533980, 21654368, 27067960, 43308736, 54135920, 108271840, 216543680]

約数ペア:

[(1, 216543680), (2, 108271840), (4, 54135920), (5, 43308736), (8, 27067960), (10, 21654368), (16, 13533980), (20, 10827184), (31, 6985280), (32, 6766990), (40, 5413592), (62, 3492640), (64, 3383495), (80, 2706796), (83, 2608960), (124, 1746320), (155, 1397056), (160, 1353398), (166, 1304480), (248, 873160), (263, 823360), (310, 698528), (320, 676699), (332, 652240), (415, 521792), (496, 436580), (526, 411680), (620, 349264), (664, 326120), (830, 260896), (992, 218290), (1052, 205840), (1240, 174632), (1315, 164672), (1328, 163060), (1660, 130448), (1984, 109145), (2104, 102920), (2480, 87316), (2573, 84160), (2630, 82336), (2656, 81530), (3320, 65224), (4208, 51460), (4960, 43658), (5146, 42080), (5260, 41168), (5312, 40765), (6640, 32612), (8153, 26560), (8416, 25730), (9920, 21829), (10292, 21040), (10520, 20584), (12865, 16832), (13280, 16306)]