28580220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1913}}^1$

素因数の和:2011

約数の個数: 72

約数和(自身を含む): 87783696

約数和(自身を除く): 59203476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 1913, 2490, 2988, 3735, 3826, 4980, 5739, 7470, 7652, 9565, 11478, 14940, 17217, 19130, 22956, 28695, 34434, 38260, 57390, 68868, 86085, 114780, 158779, 172170, 317558, 344340, 476337, 635116, 793895, 952674, 1429011, 1587790, 1905348, 2381685, 2858022, 3175580, 4763370, 5716044, 7145055, 9526740, 14290110, 28580220]

約数ペア:

[(1, 28580220), (2, 14290110), (3, 9526740), (4, 7145055), (5, 5716044), (6, 4763370), (9, 3175580), (10, 2858022), (12, 2381685), (15, 1905348), (18, 1587790), (20, 1429011), (30, 952674), (36, 793895), (45, 635116), (60, 476337), (83, 344340), (90, 317558), (166, 172170), (180, 158779), (249, 114780), (332, 86085), (415, 68868), (498, 57390), (747, 38260), (830, 34434), (996, 28695), (1245, 22956), (1494, 19130), (1660, 17217), (1913, 14940), (2490, 11478), (2988, 9565), (3735, 7652), (3826, 7470), (4980, 5739)]