81687120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9199}}^1$

素因数の和:9252

約数の個数: 80

約数和(自身を含む): 260102400

約数和(自身を除く): 178415280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 9199, 18398, 27597, 36796, 45995, 55194, 73592, 91990, 110388, 137985, 147184, 183980, 220776, 275970, 340363, 367960, 441552, 551940, 680726, 735920, 1021089, 1103880, 1361452, 1701815, 2042178, 2207760, 2722904, 3403630, 4084356, 5105445, 5445808, 6807260, 8168712, 10210890, 13614520, 16337424, 20421780, 27229040, 40843560, 81687120]

約数ペア:

[(1, 81687120), (2, 40843560), (3, 27229040), (4, 20421780), (5, 16337424), (6, 13614520), (8, 10210890), (10, 8168712), (12, 6807260), (15, 5445808), (16, 5105445), (20, 4084356), (24, 3403630), (30, 2722904), (37, 2207760), (40, 2042178), (48, 1701815), (60, 1361452), (74, 1103880), (80, 1021089), (111, 735920), (120, 680726), (148, 551940), (185, 441552), (222, 367960), (240, 340363), (296, 275970), (370, 220776), (444, 183980), (555, 147184), (592, 137985), (740, 110388), (888, 91990), (1110, 73592), (1480, 55194), (1776, 45995), (2220, 36796), (2960, 27597), (4440, 18398), (8880, 9199)]