81731040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4153}}^1$

素因数の和:4212

約数の個数: 96

約数和(自身を含む): 263795616

約数和(自身を除く): 182064576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1230, 1312, 1640, 1968, 2460, 3280, 3936, 4153, 4920, 6560, 8306, 9840, 12459, 16612, 19680, 20765, 24918, 33224, 41530, 49836, 62295, 66448, 83060, 99672, 124590, 132896, 166120, 170273, 199344, 249180, 332240, 340546, 398688, 498360, 510819, 664480, 681092, 851365, 996720, 1021638, 1362184, 1702730, 1993440, 2043276, 2554095, 2724368, 3405460, 4086552, 5108190, 5448736, 6810920, 8173104, 10216380, 13621840, 16346208, 20432760, 27243680, 40865520, 81731040]

約数ペア:

[(1, 81731040), (2, 40865520), (3, 27243680), (4, 20432760), (5, 16346208), (6, 13621840), (8, 10216380), (10, 8173104), (12, 6810920), (15, 5448736), (16, 5108190), (20, 4086552), (24, 3405460), (30, 2724368), (32, 2554095), (40, 2043276), (41, 1993440), (48, 1702730), (60, 1362184), (80, 1021638), (82, 996720), (96, 851365), (120, 681092), (123, 664480), (160, 510819), (164, 498360), (205, 398688), (240, 340546), (246, 332240), (328, 249180), (410, 199344), (480, 170273), (492, 166120), (615, 132896), (656, 124590), (820, 99672), (984, 83060), (1230, 66448), (1312, 62295), (1640, 49836), (1968, 41530), (2460, 33224), (3280, 24918), (3936, 20765), (4153, 19680), (4920, 16612), (6560, 12459), (8306, 9840)]