31081320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 107026920

約数和(自身を除く): 75945600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 81, 90, 106, 108, 120, 135, 159, 162, 180, 181, 212, 216, 265, 270, 318, 324, 360, 362, 405, 424, 477, 530, 540, 543, 636, 648, 724, 795, 810, 905, 954, 1060, 1080, 1086, 1272, 1431, 1448, 1590, 1620, 1629, 1810, 1908, 2120, 2172, 2385, 2715, 2862, 3180, 3240, 3258, 3620, 3816, 4293, 4344, 4770, 4887, 5430, 5724, 6360, 6516, 7155, 7240, 8145, 8586, 9540, 9593, 9774, 10860, 11448, 13032, 14310, 14661, 16290, 17172, 19080, 19186, 19548, 21465, 21720, 24435, 28620, 28779, 29322, 32580, 34344, 38372, 39096, 42930, 47965, 48870, 57240, 57558, 58644, 65160, 73305, 76744, 85860, 86337, 95930, 97740, 115116, 117288, 143895, 146610, 171720, 172674, 191860, 195480, 230232, 259011, 287790, 293220, 345348, 383720, 431685, 518022, 575580, 586440, 690696, 777033, 863370, 1036044, 1151160, 1295055, 1554066, 1726740, 2072088, 2590110, 3108132, 3453480, 3885165, 5180220, 6216264, 7770330, 10360440, 15540660, 31081320]

約数ペア:

[(1, 31081320), (2, 15540660), (3, 10360440), (4, 7770330), (5, 6216264), (6, 5180220), (8, 3885165), (9, 3453480), (10, 3108132), (12, 2590110), (15, 2072088), (18, 1726740), (20, 1554066), (24, 1295055), (27, 1151160), (30, 1036044), (36, 863370), (40, 777033), (45, 690696), (53, 586440), (54, 575580), (60, 518022), (72, 431685), (81, 383720), (90, 345348), (106, 293220), (108, 287790), (120, 259011), (135, 230232), (159, 195480), (162, 191860), (180, 172674), (181, 171720), (212, 146610), (216, 143895), (265, 117288), (270, 115116), (318, 97740), (324, 95930), (360, 86337), (362, 85860), (405, 76744), (424, 73305), (477, 65160), (530, 58644), (540, 57558), (543, 57240), (636, 48870), (648, 47965), (724, 42930), (795, 39096), (810, 38372), (905, 34344), (954, 32580), (1060, 29322), (1080, 28779), (1086, 28620), (1272, 24435), (1431, 21720), (1448, 21465), (1590, 19548), (1620, 19186), (1629, 19080), (1810, 17172), (1908, 16290), (2120, 14661), (2172, 14310), (2385, 13032), (2715, 11448), (2862, 10860), (3180, 9774), (3240, 9593), (3258, 9540), (3620, 8586), (3816, 8145), (4293, 7240), (4344, 7155), (4770, 6516), (4887, 6360), (5430, 5724)]