213377280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 687470784

約数和(自身を除く): 474093504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 181, 192, 240, 256, 307, 320, 362, 384, 480, 543, 614, 640, 724, 768, 905, 921, 960, 1086, 1228, 1280, 1448, 1535, 1810, 1842, 1920, 2172, 2456, 2715, 2896, 3070, 3620, 3684, 3840, 4344, 4605, 4912, 5430, 5792, 6140, 7240, 7368, 8688, 9210, 9824, 10860, 11584, 12280, 14480, 14736, 17376, 18420, 19648, 21720, 23168, 24560, 28960, 29472, 34752, 36840, 39296, 43440, 46336, 49120, 55567, 57920, 58944, 69504, 73680, 78592, 86880, 98240, 111134, 115840, 117888, 139008, 147360, 166701, 173760, 196480, 222268, 231680, 235776, 277835, 294720, 333402, 347520, 392960, 444536, 555670, 589440, 666804, 695040, 833505, 889072, 1111340, 1178880, 1333608, 1667010, 1778144, 2222680, 2667216, 3334020, 3556288, 4445360, 5334432, 6668040, 7112576, 8890720, 10668864, 13336080, 14225152, 17781440, 21337728, 26672160, 35562880, 42675456, 53344320, 71125760, 106688640, 213377280]

約数ペア:

[(1, 213377280), (2, 106688640), (3, 71125760), (4, 53344320), (5, 42675456), (6, 35562880), (8, 26672160), (10, 21337728), (12, 17781440), (15, 14225152), (16, 13336080), (20, 10668864), (24, 8890720), (30, 7112576), (32, 6668040), (40, 5334432), (48, 4445360), (60, 3556288), (64, 3334020), (80, 2667216), (96, 2222680), (120, 1778144), (128, 1667010), (160, 1333608), (181, 1178880), (192, 1111340), (240, 889072), (256, 833505), (307, 695040), (320, 666804), (362, 589440), (384, 555670), (480, 444536), (543, 392960), (614, 347520), (640, 333402), (724, 294720), (768, 277835), (905, 235776), (921, 231680), (960, 222268), (1086, 196480), (1228, 173760), (1280, 166701), (1448, 147360), (1535, 139008), (1810, 117888), (1842, 115840), (1920, 111134), (2172, 98240), (2456, 86880), (2715, 78592), (2896, 73680), (3070, 69504), (3620, 58944), (3684, 57920), (3840, 55567), (4344, 49120), (4605, 46336), (4912, 43440), (5430, 39296), (5792, 36840), (6140, 34752), (7240, 29472), (7368, 28960), (8688, 24560), (9210, 23168), (9824, 21720), (10860, 19648), (11584, 18420), (12280, 17376), (14480, 14736)]