255790548

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 746543616

約数和(自身を除く): 490753068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 81, 93, 108, 117, 124, 156, 162, 186, 234, 243, 279, 324, 351, 372, 403, 468, 486, 558, 653, 702, 806, 837, 972, 1053, 1116, 1209, 1306, 1404, 1612, 1674, 1959, 2106, 2418, 2511, 2612, 3159, 3348, 3627, 3918, 4212, 4836, 5022, 5877, 6318, 7254, 7533, 7836, 8489, 10044, 10881, 11754, 12636, 14508, 15066, 16978, 17631, 20243, 21762, 23508, 25467, 30132, 32643, 33956, 35262, 40486, 43524, 50934, 52893, 60729, 65286, 70524, 76401, 80972, 97929, 101868, 105786, 121458, 130572, 152802, 158679, 182187, 195858, 211572, 229203, 242916, 263159, 305604, 317358, 364374, 391716, 458406, 526318, 546561, 634716, 687609, 728748, 789477, 916812, 1052636, 1093122, 1375218, 1578954, 1639683, 2062827, 2186244, 2368431, 2750436, 3157908, 3279366, 4125654, 4736862, 4919049, 6558732, 7105293, 8251308, 9473724, 9838098, 14210586, 19676196, 21315879, 28421172, 42631758, 63947637, 85263516, 127895274, 255790548]

約数ペア:

[(1, 255790548), (2, 127895274), (3, 85263516), (4, 63947637), (6, 42631758), (9, 28421172), (12, 21315879), (13, 19676196), (18, 14210586), (26, 9838098), (27, 9473724), (31, 8251308), (36, 7105293), (39, 6558732), (52, 4919049), (54, 4736862), (62, 4125654), (78, 3279366), (81, 3157908), (93, 2750436), (108, 2368431), (117, 2186244), (124, 2062827), (156, 1639683), (162, 1578954), (186, 1375218), (234, 1093122), (243, 1052636), (279, 916812), (324, 789477), (351, 728748), (372, 687609), (403, 634716), (468, 546561), (486, 526318), (558, 458406), (653, 391716), (702, 364374), (806, 317358), (837, 305604), (972, 263159), (1053, 242916), (1116, 229203), (1209, 211572), (1306, 195858), (1404, 182187), (1612, 158679), (1674, 152802), (1959, 130572), (2106, 121458), (2418, 105786), (2511, 101868), (2612, 97929), (3159, 80972), (3348, 76401), (3627, 70524), (3918, 65286), (4212, 60729), (4836, 52893), (5022, 50934), (5877, 43524), (6318, 40486), (7254, 35262), (7533, 33956), (7836, 32643), (8489, 30132), (10044, 25467), (10881, 23508), (11754, 21762), (12636, 20243), (14508, 17631), (15066, 16978)]