256428270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{58147}}^1$

素因数の和:58174

約数の個数: 72

約数和(自身を含む): 775578024

約数和(自身を除く): 519149754

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 58147, 116294, 174441, 290735, 348882, 407029, 523323, 581470, 814058, 872205, 1046646, 1221087, 1744410, 2035145, 2442174, 2616615, 2849203, 3663261, 4070290, 5233230, 5698406, 6105435, 7326522, 8547609, 12210870, 14246015, 17095218, 18316305, 25642827, 28492030, 36632610, 42738045, 51285654, 85476090, 128214135, 256428270]

約数ペア:

[(1, 256428270), (2, 128214135), (3, 85476090), (5, 51285654), (6, 42738045), (7, 36632610), (9, 28492030), (10, 25642827), (14, 18316305), (15, 17095218), (18, 14246015), (21, 12210870), (30, 8547609), (35, 7326522), (42, 6105435), (45, 5698406), (49, 5233230), (63, 4070290), (70, 3663261), (90, 2849203), (98, 2616615), (105, 2442174), (126, 2035145), (147, 1744410), (210, 1221087), (245, 1046646), (294, 872205), (315, 814058), (441, 581470), (490, 523323), (630, 407029), (735, 348882), (882, 290735), (1470, 174441), (2205, 116294), (4410, 58147)]