261408384

素因数分解:

$2^7\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1372

約数の個数: 160

約数和(自身を含む): 819508800

約数和(自身を除く): 558100416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 81, 96, 108, 114, 128, 144, 152, 162, 171, 192, 216, 228, 288, 304, 324, 342, 384, 432, 456, 513, 576, 608, 648, 684, 864, 912, 1026, 1152, 1216, 1296, 1327, 1368, 1539, 1728, 1824, 2052, 2432, 2592, 2654, 2736, 3078, 3456, 3648, 3981, 4104, 5184, 5308, 5472, 6156, 7296, 7962, 8208, 10368, 10616, 10944, 11943, 12312, 15924, 16416, 21232, 21888, 23886, 24624, 25213, 31848, 32832, 35829, 42464, 47772, 49248, 50426, 63696, 65664, 71658, 75639, 84928, 95544, 98496, 100852, 107487, 127392, 143316, 151278, 169856, 191088, 196992, 201704, 214974, 226917, 254784, 286632, 302556, 382176, 403408, 429948, 453834, 509568, 573264, 605112, 680751, 764352, 806816, 859896, 907668, 1146528, 1210224, 1361502, 1528704, 1613632, 1719792, 1815336, 2042253, 2293056, 2420448, 2723004, 3227264, 3439584, 3630672, 4084506, 4586112, 4840896, 5446008, 6879168, 7261344, 8169012, 9681792, 10892016, 13758336, 14522688, 16338024, 21784032, 29045376, 32676048, 43568064, 65352096, 87136128, 130704192, 261408384]

約数ペア:

[(1, 261408384), (2, 130704192), (3, 87136128), (4, 65352096), (6, 43568064), (8, 32676048), (9, 29045376), (12, 21784032), (16, 16338024), (18, 14522688), (19, 13758336), (24, 10892016), (27, 9681792), (32, 8169012), (36, 7261344), (38, 6879168), (48, 5446008), (54, 4840896), (57, 4586112), (64, 4084506), (72, 3630672), (76, 3439584), (81, 3227264), (96, 2723004), (108, 2420448), (114, 2293056), (128, 2042253), (144, 1815336), (152, 1719792), (162, 1613632), (171, 1528704), (192, 1361502), (216, 1210224), (228, 1146528), (288, 907668), (304, 859896), (324, 806816), (342, 764352), (384, 680751), (432, 605112), (456, 573264), (513, 509568), (576, 453834), (608, 429948), (648, 403408), (684, 382176), (864, 302556), (912, 286632), (1026, 254784), (1152, 226917), (1216, 214974), (1296, 201704), (1327, 196992), (1368, 191088), (1539, 169856), (1728, 151278), (1824, 143316), (2052, 127392), (2432, 107487), (2592, 100852), (2654, 98496), (2736, 95544), (3078, 84928), (3456, 75639), (3648, 71658), (3981, 65664), (4104, 63696), (5184, 50426), (5308, 49248), (5472, 47772), (6156, 42464), (7296, 35829), (7962, 32832), (8208, 31848), (10368, 25213), (10616, 24624), (10944, 23886), (11943, 21888), (12312, 21232), (15924, 16416)]