80396640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1853

約数の個数: 144

約数和(自身を含む): 283360896

約数和(自身を除く): 202964256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1801, 1860, 2232, 2480, 2790, 2976, 3602, 3720, 4464, 4960, 5403, 5580, 7204, 7440, 8928, 9005, 10806, 11160, 14408, 14880, 16209, 18010, 21612, 22320, 27015, 28816, 32418, 36020, 43224, 44640, 54030, 55831, 57632, 64836, 72040, 81045, 86448, 108060, 111662, 129672, 144080, 162090, 167493, 172896, 216120, 223324, 259344, 279155, 288160, 324180, 334986, 432240, 446648, 502479, 518688, 558310, 648360, 669972, 837465, 864480, 893296, 1004958, 1116620, 1296720, 1339944, 1674930, 1786592, 2009916, 2233240, 2512395, 2593440, 2679888, 3349860, 4019832, 4466480, 5024790, 5359776, 6699720, 8039664, 8932960, 10049580, 13399440, 16079328, 20099160, 26798880, 40198320, 80396640]

約数ペア:

[(1, 80396640), (2, 40198320), (3, 26798880), (4, 20099160), (5, 16079328), (6, 13399440), (8, 10049580), (9, 8932960), (10, 8039664), (12, 6699720), (15, 5359776), (16, 5024790), (18, 4466480), (20, 4019832), (24, 3349860), (30, 2679888), (31, 2593440), (32, 2512395), (36, 2233240), (40, 2009916), (45, 1786592), (48, 1674930), (60, 1339944), (62, 1296720), (72, 1116620), (80, 1004958), (90, 893296), (93, 864480), (96, 837465), (120, 669972), (124, 648360), (144, 558310), (155, 518688), (160, 502479), (180, 446648), (186, 432240), (240, 334986), (248, 324180), (279, 288160), (288, 279155), (310, 259344), (360, 223324), (372, 216120), (465, 172896), (480, 167493), (496, 162090), (558, 144080), (620, 129672), (720, 111662), (744, 108060), (930, 86448), (992, 81045), (1116, 72040), (1240, 64836), (1395, 57632), (1440, 55831), (1488, 54030), (1801, 44640), (1860, 43224), (2232, 36020), (2480, 32418), (2790, 28816), (2976, 27015), (3602, 22320), (3720, 21612), (4464, 18010), (4960, 16209), (5403, 14880), (5580, 14408), (7204, 11160), (7440, 10806), (8928, 9005)]