399742080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 256

約数和(自身を含む): 1389778560

約数和(自身を除く): 990036480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 48, 51, 60, 64, 68, 74, 80, 85, 96, 102, 111, 120, 128, 136, 148, 160, 170, 185, 192, 204, 222, 240, 255, 272, 296, 320, 331, 340, 370, 384, 408, 444, 480, 510, 544, 555, 592, 629, 640, 662, 680, 740, 816, 888, 960, 993, 1020, 1088, 1110, 1184, 1258, 1324, 1360, 1480, 1632, 1655, 1776, 1887, 1920, 1986, 2040, 2176, 2220, 2368, 2516, 2648, 2720, 2960, 3145, 3264, 3310, 3552, 3774, 3972, 4080, 4440, 4736, 4965, 5032, 5296, 5440, 5627, 5920, 6290, 6528, 6620, 7104, 7548, 7944, 8160, 8880, 9435, 9930, 10064, 10592, 10880, 11254, 11840, 12247, 12580, 13240, 14208, 15096, 15888, 16320, 16881, 17760, 18870, 19860, 20128, 21184, 22508, 23680, 24494, 25160, 26480, 28135, 30192, 31776, 32640, 33762, 35520, 36741, 37740, 39720, 40256, 42368, 45016, 48988, 50320, 52960, 56270, 60384, 61235, 63552, 67524, 71040, 73482, 75480, 79440, 80512, 84405, 90032, 97976, 100640, 105920, 112540, 120768, 122470, 127104, 135048, 146964, 150960, 158880, 168810, 180064, 183705, 195952, 201280, 208199, 211840, 225080, 241536, 244940, 270096, 293928, 301920, 317760, 337620, 360128, 367410, 391904, 402560, 416398, 450160, 489880, 540192, 587856, 603840, 624597, 635520, 675240, 720256, 734820, 783808, 832796, 900320, 979760, 1040995, 1080384, 1175712, 1207680, 1249194, 1350480, 1469640, 1567616, 1665592, 1800640, 1959520, 2081990, 2160768, 2351424, 2498388, 2700960, 2939280, 3122985, 3331184, 3601280, 3919040, 4163980, 4702848, 4996776, 5401920, 5878560, 6245970, 6662368, 7838080, 8327960, 9993552, 10803840, 11757120, 12491940, 13324736, 16655920, 19987104, 23514240, 24983880, 26649472, 33311840, 39974208, 49967760, 66623680, 79948416, 99935520, 133247360, 199871040, 399742080]

約数ペア:

[(1, 399742080), (2, 199871040), (3, 133247360), (4, 99935520), (5, 79948416), (6, 66623680), (8, 49967760), (10, 39974208), (12, 33311840), (15, 26649472), (16, 24983880), (17, 23514240), (20, 19987104), (24, 16655920), (30, 13324736), (32, 12491940), (34, 11757120), (37, 10803840), (40, 9993552), (48, 8327960), (51, 7838080), (60, 6662368), (64, 6245970), (68, 5878560), (74, 5401920), (80, 4996776), (85, 4702848), (96, 4163980), (102, 3919040), (111, 3601280), (120, 3331184), (128, 3122985), (136, 2939280), (148, 2700960), (160, 2498388), (170, 2351424), (185, 2160768), (192, 2081990), (204, 1959520), (222, 1800640), (240, 1665592), (255, 1567616), (272, 1469640), (296, 1350480), (320, 1249194), (331, 1207680), (340, 1175712), (370, 1080384), (384, 1040995), (408, 979760), (444, 900320), (480, 832796), (510, 783808), (544, 734820), (555, 720256), (592, 675240), (629, 635520), (640, 624597), (662, 603840), (680, 587856), (740, 540192), (816, 489880), (888, 450160), (960, 416398), (993, 402560), (1020, 391904), (1088, 367410), (1110, 360128), (1184, 337620), (1258, 317760), (1324, 301920), (1360, 293928), (1480, 270096), (1632, 244940), (1655, 241536), (1776, 225080), (1887, 211840), (1920, 208199), (1986, 201280), (2040, 195952), (2176, 183705), (2220, 180064), (2368, 168810), (2516, 158880), (2648, 150960), (2720, 146964), (2960, 135048), (3145, 127104), (3264, 122470), (3310, 120768), (3552, 112540), (3774, 105920), (3972, 100640), (4080, 97976), (4440, 90032), (4736, 84405), (4965, 80512), (5032, 79440), (5296, 75480), (5440, 73482), (5627, 71040), (5920, 67524), (6290, 63552), (6528, 61235), (6620, 60384), (7104, 56270), (7548, 52960), (7944, 50320), (8160, 48988), (8880, 45016), (9435, 42368), (9930, 40256), (10064, 39720), (10592, 37740), (10880, 36741), (11254, 35520), (11840, 33762), (12247, 32640), (12580, 31776), (13240, 30192), (14208, 28135), (15096, 26480), (15888, 25160), (16320, 24494), (16881, 23680), (17760, 22508), (18870, 21184), (19860, 20128)]