28831530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 58259670

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 59, 65, 70, 78, 91, 105, 118, 130, 177, 179, 182, 195, 210, 273, 295, 354, 358, 390, 413, 455, 537, 546, 590, 767, 826, 885, 895, 910, 1074, 1239, 1253, 1365, 1534, 1770, 1790, 2065, 2301, 2327, 2478, 2506, 2685, 2730, 3759, 3835, 4130, 4602, 4654, 5369, 5370, 6195, 6265, 6981, 7518, 7670, 10561, 10738, 11505, 11635, 12390, 12530, 13962, 16107, 16289, 18795, 21122, 23010, 23270, 26845, 31683, 32214, 32578, 34905, 37590, 48867, 52805, 53690, 63366, 69810, 73927, 80535, 81445, 97734, 105610, 137293, 147854, 158415, 161070, 162890, 221781, 244335, 274586, 316830, 369635, 411879, 443562, 488670, 686465, 739270, 823758, 961051, 1108905, 1372930, 1922102, 2059395, 2217810, 2883153, 4118790, 4805255, 5766306, 9610510, 14415765, 28831530]

約数ペア:

[(1, 28831530), (2, 14415765), (3, 9610510), (5, 5766306), (6, 4805255), (7, 4118790), (10, 2883153), (13, 2217810), (14, 2059395), (15, 1922102), (21, 1372930), (26, 1108905), (30, 961051), (35, 823758), (39, 739270), (42, 686465), (59, 488670), (65, 443562), (70, 411879), (78, 369635), (91, 316830), (105, 274586), (118, 244335), (130, 221781), (177, 162890), (179, 161070), (182, 158415), (195, 147854), (210, 137293), (273, 105610), (295, 97734), (354, 81445), (358, 80535), (390, 73927), (413, 69810), (455, 63366), (537, 53690), (546, 52805), (590, 48867), (767, 37590), (826, 34905), (885, 32578), (895, 32214), (910, 31683), (1074, 26845), (1239, 23270), (1253, 23010), (1365, 21122), (1534, 18795), (1770, 16289), (1790, 16107), (2065, 13962), (2301, 12530), (2327, 12390), (2478, 11635), (2506, 11505), (2685, 10738), (2730, 10561), (3759, 7670), (3835, 7518), (4130, 6981), (4602, 6265), (4654, 6195), (5369, 5370)]