27171720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 91728000

約数和(自身を除く): 64556280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 139, 180, 181, 216, 270, 278, 360, 362, 417, 540, 543, 556, 695, 724, 834, 905, 1080, 1086, 1112, 1251, 1390, 1448, 1629, 1668, 1810, 2085, 2172, 2502, 2715, 2780, 3258, 3336, 3620, 3753, 4170, 4344, 4887, 5004, 5430, 5560, 6255, 6516, 7240, 7506, 8145, 8340, 9774, 10008, 10860, 12510, 13032, 15012, 16290, 16680, 18765, 19548, 21720, 24435, 25020, 25159, 30024, 32580, 37530, 39096, 48870, 50040, 50318, 65160, 75060, 75477, 97740, 100636, 125795, 150120, 150954, 195480, 201272, 226431, 251590, 301908, 377385, 452862, 503180, 603816, 679293, 754770, 905724, 1006360, 1132155, 1358586, 1509540, 1811448, 2264310, 2717172, 3019080, 3396465, 4528620, 5434344, 6792930, 9057240, 13585860, 27171720]

約数ペア:

[(1, 27171720), (2, 13585860), (3, 9057240), (4, 6792930), (5, 5434344), (6, 4528620), (8, 3396465), (9, 3019080), (10, 2717172), (12, 2264310), (15, 1811448), (18, 1509540), (20, 1358586), (24, 1132155), (27, 1006360), (30, 905724), (36, 754770), (40, 679293), (45, 603816), (54, 503180), (60, 452862), (72, 377385), (90, 301908), (108, 251590), (120, 226431), (135, 201272), (139, 195480), (180, 150954), (181, 150120), (216, 125795), (270, 100636), (278, 97740), (360, 75477), (362, 75060), (417, 65160), (540, 50318), (543, 50040), (556, 48870), (695, 39096), (724, 37530), (834, 32580), (905, 30024), (1080, 25159), (1086, 25020), (1112, 24435), (1251, 21720), (1390, 19548), (1448, 18765), (1629, 16680), (1668, 16290), (1810, 15012), (2085, 13032), (2172, 12510), (2502, 10860), (2715, 10008), (2780, 9774), (3258, 8340), (3336, 8145), (3620, 7506), (3753, 7240), (4170, 6516), (4344, 6255), (4887, 5560), (5004, 5430)]