80643720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 255104640

約数和(自身を除く): 174460920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 41, 60, 74, 82, 111, 120, 123, 148, 164, 185, 205, 222, 246, 296, 328, 370, 410, 443, 444, 492, 555, 615, 740, 820, 886, 888, 984, 1110, 1230, 1329, 1480, 1517, 1640, 1772, 2215, 2220, 2460, 2658, 3034, 3544, 4430, 4440, 4551, 4920, 5316, 6068, 6645, 7585, 8860, 9102, 10632, 12136, 13290, 15170, 16391, 17720, 18163, 18204, 22755, 26580, 30340, 32782, 36326, 36408, 45510, 49173, 53160, 54489, 60680, 65564, 72652, 81955, 90815, 91020, 98346, 108978, 131128, 145304, 163910, 181630, 182040, 196692, 217956, 245865, 272445, 327820, 363260, 393384, 435912, 491730, 544890, 655640, 672031, 726520, 983460, 1089780, 1344062, 1966920, 2016093, 2179560, 2688124, 3360155, 4032186, 5376248, 6720310, 8064372, 10080465, 13440620, 16128744, 20160930, 26881240, 40321860, 80643720]

約数ペア:

[(1, 80643720), (2, 40321860), (3, 26881240), (4, 20160930), (5, 16128744), (6, 13440620), (8, 10080465), (10, 8064372), (12, 6720310), (15, 5376248), (20, 4032186), (24, 3360155), (30, 2688124), (37, 2179560), (40, 2016093), (41, 1966920), (60, 1344062), (74, 1089780), (82, 983460), (111, 726520), (120, 672031), (123, 655640), (148, 544890), (164, 491730), (185, 435912), (205, 393384), (222, 363260), (246, 327820), (296, 272445), (328, 245865), (370, 217956), (410, 196692), (443, 182040), (444, 181630), (492, 163910), (555, 145304), (615, 131128), (740, 108978), (820, 98346), (886, 91020), (888, 90815), (984, 81955), (1110, 72652), (1230, 65564), (1329, 60680), (1480, 54489), (1517, 53160), (1640, 49173), (1772, 45510), (2215, 36408), (2220, 36326), (2460, 32782), (2658, 30340), (3034, 26580), (3544, 22755), (4430, 18204), (4440, 18163), (4551, 17720), (4920, 16391), (5316, 15170), (6068, 13290), (6645, 12136), (7585, 10632), (8860, 9102)]