81542160

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{5393}}^1$

素因数の和:5422

約数の個数: 160

約数和(自身を含む): 321050880

約数和(自身を除く): 239508720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 5393, 7560, 10786, 15120, 16179, 21572, 26965, 32358, 37751, 43144, 48537, 53930, 64716, 75502, 80895, 86288, 97074, 107860, 113253, 129432, 145611, 151004, 161790, 188755, 194148, 215720, 226506, 242685, 258864, 291222, 302008, 323580, 339759, 377510, 388296, 431440, 453012, 485370, 566265, 582444, 604016, 647160, 679518, 728055, 755020, 776592, 906024, 970740, 1019277, 1132530, 1164888, 1294320, 1359036, 1456110, 1510040, 1698795, 1812048, 1941480, 2038554, 2265060, 2329776, 2718072, 2912220, 3020080, 3397590, 3882960, 4077108, 4530120, 5096385, 5436144, 5824440, 6795180, 8154216, 9060240, 10192770, 11648880, 13590360, 16308432, 20385540, 27180720, 40771080, 81542160]

約数ペア:

[(1, 81542160), (2, 40771080), (3, 27180720), (4, 20385540), (5, 16308432), (6, 13590360), (7, 11648880), (8, 10192770), (9, 9060240), (10, 8154216), (12, 6795180), (14, 5824440), (15, 5436144), (16, 5096385), (18, 4530120), (20, 4077108), (21, 3882960), (24, 3397590), (27, 3020080), (28, 2912220), (30, 2718072), (35, 2329776), (36, 2265060), (40, 2038554), (42, 1941480), (45, 1812048), (48, 1698795), (54, 1510040), (56, 1456110), (60, 1359036), (63, 1294320), (70, 1164888), (72, 1132530), (80, 1019277), (84, 970740), (90, 906024), (105, 776592), (108, 755020), (112, 728055), (120, 679518), (126, 647160), (135, 604016), (140, 582444), (144, 566265), (168, 485370), (180, 453012), (189, 431440), (210, 388296), (216, 377510), (240, 339759), (252, 323580), (270, 302008), (280, 291222), (315, 258864), (336, 242685), (360, 226506), (378, 215720), (420, 194148), (432, 188755), (504, 161790), (540, 151004), (560, 145611), (630, 129432), (720, 113253), (756, 107860), (840, 97074), (945, 86288), (1008, 80895), (1080, 75502), (1260, 64716), (1512, 53930), (1680, 48537), (1890, 43144), (2160, 37751), (2520, 32358), (3024, 26965), (3780, 21572), (5040, 16179), (5393, 15120), (7560, 10786)]