275305520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 160

約数和(自身を含む): 761856000

約数和(自身を除く): 486550480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 127, 140, 158, 196, 245, 254, 280, 316, 343, 392, 395, 490, 508, 553, 560, 632, 635, 686, 784, 790, 889, 980, 1016, 1106, 1264, 1270, 1372, 1580, 1715, 1778, 1960, 2032, 2212, 2540, 2744, 2765, 3160, 3430, 3556, 3871, 3920, 4424, 4445, 5080, 5488, 5530, 6223, 6320, 6860, 7112, 7742, 8848, 8890, 10033, 10160, 11060, 12446, 13720, 14224, 15484, 17780, 19355, 20066, 22120, 24892, 27097, 27440, 30968, 31115, 35560, 38710, 40132, 43561, 44240, 49784, 50165, 54194, 61936, 62230, 70231, 71120, 77420, 80264, 87122, 99568, 100330, 108388, 124460, 135485, 140462, 154840, 160528, 174244, 200660, 216776, 217805, 248920, 270970, 280924, 309680, 348488, 351155, 401320, 433552, 435610, 491617, 497840, 541940, 561848, 696976, 702310, 802640, 871220, 983234, 1083880, 1123696, 1404620, 1742440, 1966468, 2167760, 2458085, 2809240, 3441319, 3484880, 3932936, 4916170, 5618480, 6882638, 7865872, 9832340, 13765276, 17206595, 19664680, 27530552, 34413190, 39329360, 55061104, 68826380, 137652760, 275305520]

約数ペア:

[(1, 275305520), (2, 137652760), (4, 68826380), (5, 55061104), (7, 39329360), (8, 34413190), (10, 27530552), (14, 19664680), (16, 17206595), (20, 13765276), (28, 9832340), (35, 7865872), (40, 6882638), (49, 5618480), (56, 4916170), (70, 3932936), (79, 3484880), (80, 3441319), (98, 2809240), (112, 2458085), (127, 2167760), (140, 1966468), (158, 1742440), (196, 1404620), (245, 1123696), (254, 1083880), (280, 983234), (316, 871220), (343, 802640), (392, 702310), (395, 696976), (490, 561848), (508, 541940), (553, 497840), (560, 491617), (632, 435610), (635, 433552), (686, 401320), (784, 351155), (790, 348488), (889, 309680), (980, 280924), (1016, 270970), (1106, 248920), (1264, 217805), (1270, 216776), (1372, 200660), (1580, 174244), (1715, 160528), (1778, 154840), (1960, 140462), (2032, 135485), (2212, 124460), (2540, 108388), (2744, 100330), (2765, 99568), (3160, 87122), (3430, 80264), (3556, 77420), (3871, 71120), (3920, 70231), (4424, 62230), (4445, 61936), (5080, 54194), (5488, 50165), (5530, 49784), (6223, 44240), (6320, 43561), (6860, 40132), (7112, 38710), (7742, 35560), (8848, 31115), (8890, 30968), (10033, 27440), (10160, 27097), (11060, 24892), (12446, 22120), (13720, 20066), (14224, 19355), (15484, 17780)]