279530720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:233

約数の個数: 192

約数和(自身を含む): 796594176

約数和(自身を除く): 517063456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 83, 97, 112, 124, 140, 155, 160, 166, 194, 217, 224, 248, 280, 310, 332, 388, 415, 434, 485, 496, 560, 581, 620, 664, 679, 776, 830, 868, 970, 992, 1085, 1120, 1162, 1240, 1328, 1358, 1552, 1660, 1736, 1940, 2170, 2324, 2480, 2573, 2656, 2716, 2905, 3007, 3104, 3320, 3395, 3472, 3880, 4340, 4648, 4960, 5146, 5432, 5810, 6014, 6640, 6790, 6944, 7760, 8051, 8680, 9296, 10292, 10864, 11620, 12028, 12865, 13280, 13580, 15035, 15520, 16102, 17360, 18011, 18592, 20584, 21049, 21728, 23240, 24056, 25730, 27160, 30070, 32204, 34720, 36022, 40255, 41168, 42098, 46480, 48112, 51460, 54320, 56357, 60140, 64408, 72044, 80510, 82336, 84196, 90055, 92960, 96224, 102920, 105245, 108640, 112714, 120280, 128816, 144088, 161020, 168392, 180110, 205840, 210490, 225428, 240560, 249581, 257632, 281785, 288176, 322040, 336784, 360220, 411680, 420980, 450856, 481120, 499162, 563570, 576352, 644080, 673568, 720440, 841960, 901712, 998324, 1127140, 1247905, 1288160, 1440880, 1683920, 1747067, 1803424, 1996648, 2254280, 2495810, 2881760, 3367840, 3494134, 3993296, 4508560, 4991620, 6988268, 7986592, 8735335, 9017120, 9983240, 13976536, 17470670, 19966480, 27953072, 34941340, 39932960, 55906144, 69882680, 139765360, 279530720]

約数ペア:

[(1, 279530720), (2, 139765360), (4, 69882680), (5, 55906144), (7, 39932960), (8, 34941340), (10, 27953072), (14, 19966480), (16, 17470670), (20, 13976536), (28, 9983240), (31, 9017120), (32, 8735335), (35, 7986592), (40, 6988268), (56, 4991620), (62, 4508560), (70, 3993296), (80, 3494134), (83, 3367840), (97, 2881760), (112, 2495810), (124, 2254280), (140, 1996648), (155, 1803424), (160, 1747067), (166, 1683920), (194, 1440880), (217, 1288160), (224, 1247905), (248, 1127140), (280, 998324), (310, 901712), (332, 841960), (388, 720440), (415, 673568), (434, 644080), (485, 576352), (496, 563570), (560, 499162), (581, 481120), (620, 450856), (664, 420980), (679, 411680), (776, 360220), (830, 336784), (868, 322040), (970, 288176), (992, 281785), (1085, 257632), (1120, 249581), (1162, 240560), (1240, 225428), (1328, 210490), (1358, 205840), (1552, 180110), (1660, 168392), (1736, 161020), (1940, 144088), (2170, 128816), (2324, 120280), (2480, 112714), (2573, 108640), (2656, 105245), (2716, 102920), (2905, 96224), (3007, 92960), (3104, 90055), (3320, 84196), (3395, 82336), (3472, 80510), (3880, 72044), (4340, 64408), (4648, 60140), (4960, 56357), (5146, 54320), (5432, 51460), (5810, 48112), (6014, 46480), (6640, 42098), (6790, 41168), (6944, 40255), (7760, 36022), (8051, 34720), (8680, 32204), (9296, 30070), (10292, 27160), (10864, 25730), (11620, 24056), (12028, 23240), (12865, 21728), (13280, 21049), (13580, 20584), (15035, 18592), (15520, 18011), (16102, 17360)]