281222640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2851}}^1$

素因数の和:3007

約数の個数: 120

約数和(自身を含む): 951666768

約数和(自身を除く): 670444128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 137, 144, 180, 240, 274, 360, 411, 548, 685, 720, 822, 1096, 1233, 1370, 1644, 2055, 2192, 2466, 2740, 2851, 3288, 4110, 4932, 5480, 5702, 6165, 6576, 8220, 8553, 9864, 10960, 11404, 12330, 14255, 16440, 17106, 19728, 22808, 24660, 25659, 28510, 32880, 34212, 42765, 45616, 49320, 51318, 57020, 68424, 85530, 98640, 102636, 114040, 128295, 136848, 171060, 205272, 228080, 256590, 342120, 390587, 410544, 513180, 684240, 781174, 1026360, 1171761, 1562348, 1952935, 2052720, 2343522, 3124696, 3515283, 3905870, 4687044, 5858805, 6249392, 7030566, 7811740, 9374088, 11717610, 14061132, 15623480, 17576415, 18748176, 23435220, 28122264, 31246960, 35152830, 46870440, 56244528, 70305660, 93740880, 140611320, 281222640]

約数ペア:

[(1, 281222640), (2, 140611320), (3, 93740880), (4, 70305660), (5, 56244528), (6, 46870440), (8, 35152830), (9, 31246960), (10, 28122264), (12, 23435220), (15, 18748176), (16, 17576415), (18, 15623480), (20, 14061132), (24, 11717610), (30, 9374088), (36, 7811740), (40, 7030566), (45, 6249392), (48, 5858805), (60, 4687044), (72, 3905870), (80, 3515283), (90, 3124696), (120, 2343522), (137, 2052720), (144, 1952935), (180, 1562348), (240, 1171761), (274, 1026360), (360, 781174), (411, 684240), (548, 513180), (685, 410544), (720, 390587), (822, 342120), (1096, 256590), (1233, 228080), (1370, 205272), (1644, 171060), (2055, 136848), (2192, 128295), (2466, 114040), (2740, 102636), (2851, 98640), (3288, 85530), (4110, 68424), (4932, 57020), (5480, 51318), (5702, 49320), (6165, 45616), (6576, 42765), (8220, 34212), (8553, 32880), (9864, 28510), (10960, 25659), (11404, 24660), (12330, 22808), (14255, 19728), (16440, 17106)]