80982540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 265015296

約数和(自身を除く): 184032756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 620, 631, 690, 713, 828, 930, 1035, 1116, 1262, 1380, 1395, 1426, 1860, 1893, 2070, 2139, 2524, 2790, 2852, 3155, 3565, 3786, 4140, 4278, 5580, 5679, 6310, 6417, 7130, 7572, 8556, 9465, 10695, 11358, 12620, 12834, 14260, 14513, 18930, 19561, 21390, 22716, 25668, 28395, 29026, 32085, 37860, 39122, 42780, 43539, 56790, 58052, 58683, 64170, 72565, 78244, 87078, 97805, 113580, 117366, 128340, 130617, 145130, 174156, 176049, 195610, 217695, 234732, 261234, 290260, 293415, 352098, 391220, 435390, 449903, 522468, 586830, 653085, 704196, 870780, 880245, 899806, 1173660, 1306170, 1349709, 1760490, 1799612, 2249515, 2612340, 2699418, 3520980, 4049127, 4499030, 5398836, 6748545, 8098254, 8998060, 13497090, 16196508, 20245635, 26994180, 40491270, 80982540]

約数ペア:

[(1, 80982540), (2, 40491270), (3, 26994180), (4, 20245635), (5, 16196508), (6, 13497090), (9, 8998060), (10, 8098254), (12, 6748545), (15, 5398836), (18, 4499030), (20, 4049127), (23, 3520980), (30, 2699418), (31, 2612340), (36, 2249515), (45, 1799612), (46, 1760490), (60, 1349709), (62, 1306170), (69, 1173660), (90, 899806), (92, 880245), (93, 870780), (115, 704196), (124, 653085), (138, 586830), (155, 522468), (180, 449903), (186, 435390), (207, 391220), (230, 352098), (276, 293415), (279, 290260), (310, 261234), (345, 234732), (372, 217695), (414, 195610), (460, 176049), (465, 174156), (558, 145130), (620, 130617), (631, 128340), (690, 117366), (713, 113580), (828, 97805), (930, 87078), (1035, 78244), (1116, 72565), (1262, 64170), (1380, 58683), (1395, 58052), (1426, 56790), (1860, 43539), (1893, 42780), (2070, 39122), (2139, 37860), (2524, 32085), (2790, 29026), (2852, 28395), (3155, 25668), (3565, 22716), (3786, 21390), (4140, 19561), (4278, 18930), (5580, 14513), (5679, 14260), (6310, 12834), (6417, 12620), (7130, 11358), (7572, 10695), (8556, 9465)]