80975520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1135

約数の個数: 144

約数和(自身を含む): 281808072

約数和(自身を除く): 200832552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 288, 318, 360, 424, 477, 480, 530, 636, 720, 795, 848, 954, 1060, 1061, 1272, 1440, 1590, 1696, 1908, 2120, 2122, 2385, 2544, 3180, 3183, 3816, 4240, 4244, 4770, 5088, 5305, 6360, 6366, 7632, 8480, 8488, 9540, 9549, 10610, 12720, 12732, 15264, 15915, 16976, 19080, 19098, 21220, 25440, 25464, 31830, 33952, 38160, 38196, 42440, 47745, 50928, 56233, 63660, 76320, 76392, 84880, 95490, 101856, 112466, 127320, 152784, 168699, 169760, 190980, 224932, 254640, 281165, 305568, 337398, 381960, 449864, 506097, 509280, 562330, 674796, 763920, 843495, 899728, 1012194, 1124660, 1349592, 1527840, 1686990, 1799456, 2024388, 2249320, 2530485, 2699184, 3373980, 4048776, 4498640, 5060970, 5398368, 6747960, 8097552, 8997280, 10121940, 13495920, 16195104, 20243880, 26991840, 40487760, 80975520]

約数ペア:

[(1, 80975520), (2, 40487760), (3, 26991840), (4, 20243880), (5, 16195104), (6, 13495920), (8, 10121940), (9, 8997280), (10, 8097552), (12, 6747960), (15, 5398368), (16, 5060970), (18, 4498640), (20, 4048776), (24, 3373980), (30, 2699184), (32, 2530485), (36, 2249320), (40, 2024388), (45, 1799456), (48, 1686990), (53, 1527840), (60, 1349592), (72, 1124660), (80, 1012194), (90, 899728), (96, 843495), (106, 763920), (120, 674796), (144, 562330), (159, 509280), (160, 506097), (180, 449864), (212, 381960), (240, 337398), (265, 305568), (288, 281165), (318, 254640), (360, 224932), (424, 190980), (477, 169760), (480, 168699), (530, 152784), (636, 127320), (720, 112466), (795, 101856), (848, 95490), (954, 84880), (1060, 76392), (1061, 76320), (1272, 63660), (1440, 56233), (1590, 50928), (1696, 47745), (1908, 42440), (2120, 38196), (2122, 38160), (2385, 33952), (2544, 31830), (3180, 25464), (3183, 25440), (3816, 21220), (4240, 19098), (4244, 19080), (4770, 16976), (5088, 15915), (5305, 15264), (6360, 12732), (6366, 12720), (7632, 10610), (8480, 9549), (8488, 9540)]