7827720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 25280640

約数和(自身を除く): 17452920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 41, 43, 60, 74, 82, 86, 111, 120, 123, 129, 148, 164, 172, 185, 205, 215, 222, 246, 258, 296, 328, 344, 370, 410, 430, 444, 492, 516, 555, 615, 645, 740, 820, 860, 888, 984, 1032, 1110, 1230, 1290, 1480, 1517, 1591, 1640, 1720, 1763, 2220, 2460, 2580, 3034, 3182, 3526, 4440, 4551, 4773, 4920, 5160, 5289, 6068, 6364, 7052, 7585, 7955, 8815, 9102, 9546, 10578, 12136, 12728, 14104, 15170, 15910, 17630, 18204, 19092, 21156, 22755, 23865, 26445, 30340, 31820, 35260, 36408, 38184, 42312, 45510, 47730, 52890, 60680, 63640, 65231, 70520, 91020, 95460, 105780, 130462, 182040, 190920, 195693, 211560, 260924, 326155, 391386, 521848, 652310, 782772, 978465, 1304620, 1565544, 1956930, 2609240, 3913860, 7827720]

約数ペア:

[(1, 7827720), (2, 3913860), (3, 2609240), (4, 1956930), (5, 1565544), (6, 1304620), (8, 978465), (10, 782772), (12, 652310), (15, 521848), (20, 391386), (24, 326155), (30, 260924), (37, 211560), (40, 195693), (41, 190920), (43, 182040), (60, 130462), (74, 105780), (82, 95460), (86, 91020), (111, 70520), (120, 65231), (123, 63640), (129, 60680), (148, 52890), (164, 47730), (172, 45510), (185, 42312), (205, 38184), (215, 36408), (222, 35260), (246, 31820), (258, 30340), (296, 26445), (328, 23865), (344, 22755), (370, 21156), (410, 19092), (430, 18204), (444, 17630), (492, 15910), (516, 15170), (555, 14104), (615, 12728), (645, 12136), (740, 10578), (820, 9546), (860, 9102), (888, 8815), (984, 7955), (1032, 7585), (1110, 7052), (1230, 6364), (1290, 6068), (1480, 5289), (1517, 5160), (1591, 4920), (1640, 4773), (1720, 4551), (1763, 4440), (2220, 3526), (2460, 3182), (2580, 3034)]