1812106240

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:303

約数の個数: 264

約数和(自身を含む): 5242154112

約数和(自身を除く): 3430047872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 233, 245, 248, 256, 280, 310, 320, 392, 434, 448, 466, 490, 496, 512, 560, 620, 640, 784, 868, 896, 932, 980, 992, 1024, 1085, 1120, 1165, 1240, 1280, 1519, 1568, 1631, 1736, 1792, 1864, 1960, 1984, 2170, 2240, 2330, 2480, 2560, 3038, 3136, 3262, 3472, 3584, 3728, 3920, 3968, 4340, 4480, 4660, 4960, 5120, 6076, 6272, 6524, 6944, 7168, 7223, 7456, 7595, 7840, 7936, 8155, 8680, 8960, 9320, 9920, 11417, 12152, 12544, 13048, 13888, 14446, 14912, 15190, 15680, 15872, 16310, 17360, 17920, 18640, 19840, 22834, 24304, 25088, 26096, 27776, 28892, 29824, 30380, 31360, 31744, 32620, 34720, 35840, 36115, 37280, 39680, 45668, 48608, 50176, 50561, 52192, 55552, 57085, 57784, 59648, 60760, 62720, 65240, 69440, 72230, 74560, 79360, 91336, 97216, 101122, 104384, 111104, 114170, 115568, 119296, 121520, 125440, 130480, 138880, 144460, 149120, 158720, 182672, 194432, 202244, 208768, 222208, 228340, 231136, 238592, 243040, 250880, 252805, 260960, 277760, 288920, 298240, 353927, 365344, 388864, 404488, 417536, 456680, 462272, 486080, 505610, 521920, 555520, 577840, 596480, 707854, 730688, 777728, 808976, 835072, 913360, 924544, 972160, 1011220, 1043840, 1111040, 1155680, 1192960, 1415708, 1461376, 1555456, 1617952, 1670144, 1769635, 1826720, 1849088, 1944320, 2022440, 2087680, 2311360, 2831416, 2922752, 3235904, 3539270, 3653440, 3698176, 3888640, 4044880, 4175360, 4622720, 5662832, 5845504, 6471808, 7078540, 7306880, 7396352, 7777280, 8089760, 8350720, 9245440, 11325664, 11691008, 12943616, 14157080, 14613760, 16179520, 18490880, 22651328, 25887232, 28314160, 29227520, 32359040, 36981760, 45302656, 51774464, 56628320, 58455040, 64718080, 90605312, 113256640, 129436160, 181210624, 226513280, 258872320, 362421248, 453026560, 906053120, 1812106240]

約数ペア:

[(1, 1812106240), (2, 906053120), (4, 453026560), (5, 362421248), (7, 258872320), (8, 226513280), (10, 181210624), (14, 129436160), (16, 113256640), (20, 90605312), (28, 64718080), (31, 58455040), (32, 56628320), (35, 51774464), (40, 45302656), (49, 36981760), (56, 32359040), (62, 29227520), (64, 28314160), (70, 25887232), (80, 22651328), (98, 18490880), (112, 16179520), (124, 14613760), (128, 14157080), (140, 12943616), (155, 11691008), (160, 11325664), (196, 9245440), (217, 8350720), (224, 8089760), (233, 7777280), (245, 7396352), (248, 7306880), (256, 7078540), (280, 6471808), (310, 5845504), (320, 5662832), (392, 4622720), (434, 4175360), (448, 4044880), (466, 3888640), (490, 3698176), (496, 3653440), (512, 3539270), (560, 3235904), (620, 2922752), (640, 2831416), (784, 2311360), (868, 2087680), (896, 2022440), (932, 1944320), (980, 1849088), (992, 1826720), (1024, 1769635), (1085, 1670144), (1120, 1617952), (1165, 1555456), (1240, 1461376), (1280, 1415708), (1519, 1192960), (1568, 1155680), (1631, 1111040), (1736, 1043840), (1792, 1011220), (1864, 972160), (1960, 924544), (1984, 913360), (2170, 835072), (2240, 808976), (2330, 777728), (2480, 730688), (2560, 707854), (3038, 596480), (3136, 577840), (3262, 555520), (3472, 521920), (3584, 505610), (3728, 486080), (3920, 462272), (3968, 456680), (4340, 417536), (4480, 404488), (4660, 388864), (4960, 365344), (5120, 353927), (6076, 298240), (6272, 288920), (6524, 277760), (6944, 260960), (7168, 252805), (7223, 250880), (7456, 243040), (7595, 238592), (7840, 231136), (7936, 228340), (8155, 222208), (8680, 208768), (8960, 202244), (9320, 194432), (9920, 182672), (11417, 158720), (12152, 149120), (12544, 144460), (13048, 138880), (13888, 130480), (14446, 125440), (14912, 121520), (15190, 119296), (15680, 115568), (15872, 114170), (16310, 111104), (17360, 104384), (17920, 101122), (18640, 97216), (19840, 91336), (22834, 79360), (24304, 74560), (25088, 72230), (26096, 69440), (27776, 65240), (28892, 62720), (29824, 60760), (30380, 59648), (31360, 57784), (31744, 57085), (32620, 55552), (34720, 52192), (35840, 50561), (36115, 50176), (37280, 48608), (39680, 45668)]