398190720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 256

約数和(自身を含む): 1353646080

約数和(自身を除く): 955455360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 71, 80, 92, 96, 115, 120, 127, 128, 138, 142, 160, 184, 192, 213, 230, 240, 254, 276, 284, 320, 345, 355, 368, 381, 384, 426, 460, 480, 508, 552, 568, 635, 640, 690, 710, 736, 762, 852, 920, 960, 1016, 1065, 1104, 1136, 1270, 1380, 1420, 1472, 1524, 1633, 1704, 1840, 1905, 1920, 2032, 2130, 2208, 2272, 2540, 2760, 2840, 2921, 2944, 3048, 3266, 3408, 3680, 3810, 4064, 4260, 4416, 4544, 4899, 5080, 5520, 5680, 5842, 6096, 6532, 6816, 7360, 7620, 8128, 8165, 8520, 8763, 8832, 9017, 9088, 9798, 10160, 11040, 11360, 11684, 12192, 13064, 13632, 14605, 14720, 15240, 16256, 16330, 17040, 17526, 18034, 19596, 20320, 22080, 22720, 23368, 24384, 24495, 26128, 27051, 27264, 29210, 30480, 32660, 34080, 35052, 36068, 39192, 40640, 43815, 44160, 45085, 45440, 46736, 48768, 48990, 52256, 54102, 58420, 60960, 65320, 68160, 70104, 72136, 78384, 81280, 87630, 90170, 93472, 97980, 104512, 108204, 116840, 121920, 130640, 135255, 136320, 140208, 144272, 156768, 175260, 180340, 186944, 195960, 207391, 209024, 216408, 233680, 243840, 261280, 270510, 280416, 288544, 313536, 350520, 360680, 373888, 391920, 414782, 432816, 467360, 522560, 541020, 560832, 577088, 622173, 627072, 701040, 721360, 783840, 829564, 865632, 934720, 1036955, 1045120, 1082040, 1121664, 1154176, 1244346, 1402080, 1442720, 1567680, 1659128, 1731264, 1869440, 2073910, 2164080, 2488692, 2804160, 2885440, 3110865, 3135360, 3318256, 3462528, 4147820, 4328160, 4977384, 5608320, 5770880, 6221730, 6636512, 8295640, 8656320, 9954768, 12443460, 13273024, 16591280, 17312640, 19909536, 24886920, 26546048, 33182560, 39819072, 49773840, 66365120, 79638144, 99547680, 132730240, 199095360, 398190720]

約数ペア:

[(1, 398190720), (2, 199095360), (3, 132730240), (4, 99547680), (5, 79638144), (6, 66365120), (8, 49773840), (10, 39819072), (12, 33182560), (15, 26546048), (16, 24886920), (20, 19909536), (23, 17312640), (24, 16591280), (30, 13273024), (32, 12443460), (40, 9954768), (46, 8656320), (48, 8295640), (60, 6636512), (64, 6221730), (69, 5770880), (71, 5608320), (80, 4977384), (92, 4328160), (96, 4147820), (115, 3462528), (120, 3318256), (127, 3135360), (128, 3110865), (138, 2885440), (142, 2804160), (160, 2488692), (184, 2164080), (192, 2073910), (213, 1869440), (230, 1731264), (240, 1659128), (254, 1567680), (276, 1442720), (284, 1402080), (320, 1244346), (345, 1154176), (355, 1121664), (368, 1082040), (381, 1045120), (384, 1036955), (426, 934720), (460, 865632), (480, 829564), (508, 783840), (552, 721360), (568, 701040), (635, 627072), (640, 622173), (690, 577088), (710, 560832), (736, 541020), (762, 522560), (852, 467360), (920, 432816), (960, 414782), (1016, 391920), (1065, 373888), (1104, 360680), (1136, 350520), (1270, 313536), (1380, 288544), (1420, 280416), (1472, 270510), (1524, 261280), (1633, 243840), (1704, 233680), (1840, 216408), (1905, 209024), (1920, 207391), (2032, 195960), (2130, 186944), (2208, 180340), (2272, 175260), (2540, 156768), (2760, 144272), (2840, 140208), (2921, 136320), (2944, 135255), (3048, 130640), (3266, 121920), (3408, 116840), (3680, 108204), (3810, 104512), (4064, 97980), (4260, 93472), (4416, 90170), (4544, 87630), (4899, 81280), (5080, 78384), (5520, 72136), (5680, 70104), (5842, 68160), (6096, 65320), (6532, 60960), (6816, 58420), (7360, 54102), (7620, 52256), (8128, 48990), (8165, 48768), (8520, 46736), (8763, 45440), (8832, 45085), (9017, 44160), (9088, 43815), (9798, 40640), (10160, 39192), (11040, 36068), (11360, 35052), (11684, 34080), (12192, 32660), (13064, 30480), (13632, 29210), (14605, 27264), (14720, 27051), (15240, 26128), (16256, 24495), (16330, 24384), (17040, 23368), (17526, 22720), (18034, 22080), (19596, 20320)]