259682480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2417}}^1$

素因数の和:2526

約数の個数: 80

約数和(自身を含む): 647637120

約数和(自身を除く): 387954640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 790, 1264, 1343, 1360, 1580, 2417, 2686, 3160, 4834, 5372, 6320, 6715, 9668, 10744, 12085, 13430, 19336, 21488, 24170, 26860, 38672, 41089, 48340, 53720, 82178, 96680, 107440, 164356, 190943, 193360, 205445, 328712, 381886, 410890, 657424, 763772, 821780, 954715, 1527544, 1643560, 1909430, 3055088, 3246031, 3287120, 3818860, 6492062, 7637720, 12984124, 15275440, 16230155, 25968248, 32460310, 51936496, 64920620, 129841240, 259682480]

約数ペア:

[(1, 259682480), (2, 129841240), (4, 64920620), (5, 51936496), (8, 32460310), (10, 25968248), (16, 16230155), (17, 15275440), (20, 12984124), (34, 7637720), (40, 6492062), (68, 3818860), (79, 3287120), (80, 3246031), (85, 3055088), (136, 1909430), (158, 1643560), (170, 1527544), (272, 954715), (316, 821780), (340, 763772), (395, 657424), (632, 410890), (680, 381886), (790, 328712), (1264, 205445), (1343, 193360), (1360, 190943), (1580, 164356), (2417, 107440), (2686, 96680), (3160, 82178), (4834, 53720), (5372, 48340), (6320, 41089), (6715, 38672), (9668, 26860), (10744, 24170), (12085, 21488), (13430, 19336)]