81629280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56687}}^1$

素因数の和:56708

約数の個数: 72

約数和(自身を含む): 278564832

約数和(自身を除く): 196935552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56687, 113374, 170061, 226748, 283435, 340122, 453496, 510183, 566870, 680244, 850305, 906992, 1020366, 1133740, 1360488, 1700610, 1813984, 2040732, 2267480, 2550915, 2720976, 3401220, 4081464, 4534960, 5101830, 5441952, 6802440, 8162928, 9069920, 10203660, 13604880, 16325856, 20407320, 27209760, 40814640, 81629280]

約数ペア:

[(1, 81629280), (2, 40814640), (3, 27209760), (4, 20407320), (5, 16325856), (6, 13604880), (8, 10203660), (9, 9069920), (10, 8162928), (12, 6802440), (15, 5441952), (16, 5101830), (18, 4534960), (20, 4081464), (24, 3401220), (30, 2720976), (32, 2550915), (36, 2267480), (40, 2040732), (45, 1813984), (48, 1700610), (60, 1360488), (72, 1133740), (80, 1020366), (90, 906992), (96, 850305), (120, 680244), (144, 566870), (160, 510183), (180, 453496), (240, 340122), (288, 283435), (360, 226748), (480, 170061), (720, 113374), (1440, 56687)]