81507060

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:596

約数の個数: 144

約数和(自身を含む): 265155072

約数和(自身を除く): 183648012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 243, 270, 279, 310, 324, 372, 405, 465, 486, 540, 541, 558, 620, 810, 837, 930, 972, 1082, 1116, 1215, 1395, 1620, 1623, 1674, 1860, 2164, 2430, 2511, 2705, 2790, 3246, 3348, 4185, 4860, 4869, 5022, 5410, 5580, 6492, 7533, 8115, 8370, 9738, 10044, 10820, 12555, 14607, 15066, 16230, 16740, 16771, 19476, 24345, 25110, 29214, 30132, 32460, 33542, 37665, 43821, 48690, 50220, 50313, 58428, 67084, 73035, 75330, 83855, 87642, 97380, 100626, 131463, 146070, 150660, 150939, 167710, 175284, 201252, 219105, 251565, 262926, 292140, 301878, 335420, 438210, 452817, 503130, 525852, 603756, 657315, 754695, 876420, 905634, 1006260, 1314630, 1358451, 1509390, 1811268, 2264085, 2629260, 2716902, 3018780, 4075353, 4528170, 5433804, 6792255, 8150706, 9056340, 13584510, 16301412, 20376765, 27169020, 40753530, 81507060]

約数ペア:

[(1, 81507060), (2, 40753530), (3, 27169020), (4, 20376765), (5, 16301412), (6, 13584510), (9, 9056340), (10, 8150706), (12, 6792255), (15, 5433804), (18, 4528170), (20, 4075353), (27, 3018780), (30, 2716902), (31, 2629260), (36, 2264085), (45, 1811268), (54, 1509390), (60, 1358451), (62, 1314630), (81, 1006260), (90, 905634), (93, 876420), (108, 754695), (124, 657315), (135, 603756), (155, 525852), (162, 503130), (180, 452817), (186, 438210), (243, 335420), (270, 301878), (279, 292140), (310, 262926), (324, 251565), (372, 219105), (405, 201252), (465, 175284), (486, 167710), (540, 150939), (541, 150660), (558, 146070), (620, 131463), (810, 100626), (837, 97380), (930, 87642), (972, 83855), (1082, 75330), (1116, 73035), (1215, 67084), (1395, 58428), (1620, 50313), (1623, 50220), (1674, 48690), (1860, 43821), (2164, 37665), (2430, 33542), (2511, 32460), (2705, 30132), (2790, 29214), (3246, 25110), (3348, 24345), (4185, 19476), (4860, 16771), (4869, 16740), (5022, 16230), (5410, 15066), (5580, 14607), (6492, 12555), (7533, 10820), (8115, 10044), (8370, 9738)]