1904999040

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{15749}}^1$

素因数の和:15784

約数の個数: 256

約数和(自身を含む): 7711200000

約数和(自身を除く): 5806200960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 12096, 13440, 15120, 15749, 17280, 20160, 24192, 30240, 31498, 40320, 47247, 60480, 62996, 78745, 94494, 110243, 120960, 125992, 141741, 157490, 188988, 220486, 236235, 251984, 283482, 314980, 330729, 377976, 425223, 440972, 472470, 503968, 551215, 566964, 629960, 661458, 708705, 755952, 850446, 881944, 944940, 992187, 1007936, 1102430, 1133928, 1259920, 1322916, 1417410, 1511904, 1653645, 1700892, 1763888, 1889880, 1984374, 2015872, 2126115, 2204860, 2267856, 2519840, 2645832, 2834820, 2976561, 3023808, 3307290, 3401784, 3527776, 3779760, 3968748, 4252230, 4409720, 4535712, 4960935, 5039680, 5291664, 5669640, 5953122, 6047616, 6614580, 6803568, 7055552, 7559520, 7937496, 8504460, 8819440, 9071424, 9921870, 10079360, 10583328, 11339280, 11906244, 13229160, 13607136, 14111104, 14882805, 15119040, 15874992, 17008920, 17638880, 18142848, 19843740, 21166656, 22678560, 23812488, 26458320, 27214272, 29765610, 30238080, 31749984, 34017840, 35277760, 39687480, 42333312, 45357120, 47624976, 52916640, 54428544, 59531220, 63499968, 68035680, 70555520, 79374960, 90714240, 95249952, 105833280, 119062440, 126999936, 136071360, 158749920, 190499904, 211666560, 238124880, 272142720, 317499840, 380999808, 476249760, 634999680, 952499520, 1904999040]

約数ペア:

[(1, 1904999040), (2, 952499520), (3, 634999680), (4, 476249760), (5, 380999808), (6, 317499840), (7, 272142720), (8, 238124880), (9, 211666560), (10, 190499904), (12, 158749920), (14, 136071360), (15, 126999936), (16, 119062440), (18, 105833280), (20, 95249952), (21, 90714240), (24, 79374960), (27, 70555520), (28, 68035680), (30, 63499968), (32, 59531220), (35, 54428544), (36, 52916640), (40, 47624976), (42, 45357120), (45, 42333312), (48, 39687480), (54, 35277760), (56, 34017840), (60, 31749984), (63, 30238080), (64, 29765610), (70, 27214272), (72, 26458320), (80, 23812488), (84, 22678560), (90, 21166656), (96, 19843740), (105, 18142848), (108, 17638880), (112, 17008920), (120, 15874992), (126, 15119040), (128, 14882805), (135, 14111104), (140, 13607136), (144, 13229160), (160, 11906244), (168, 11339280), (180, 10583328), (189, 10079360), (192, 9921870), (210, 9071424), (216, 8819440), (224, 8504460), (240, 7937496), (252, 7559520), (270, 7055552), (280, 6803568), (288, 6614580), (315, 6047616), (320, 5953122), (336, 5669640), (360, 5291664), (378, 5039680), (384, 4960935), (420, 4535712), (432, 4409720), (448, 4252230), (480, 3968748), (504, 3779760), (540, 3527776), (560, 3401784), (576, 3307290), (630, 3023808), (640, 2976561), (672, 2834820), (720, 2645832), (756, 2519840), (840, 2267856), (864, 2204860), (896, 2126115), (945, 2015872), (960, 1984374), (1008, 1889880), (1080, 1763888), (1120, 1700892), (1152, 1653645), (1260, 1511904), (1344, 1417410), (1440, 1322916), (1512, 1259920), (1680, 1133928), (1728, 1102430), (1890, 1007936), (1920, 992187), (2016, 944940), (2160, 881944), (2240, 850446), (2520, 755952), (2688, 708705), (2880, 661458), (3024, 629960), (3360, 566964), (3456, 551215), (3780, 503968), (4032, 472470), (4320, 440972), (4480, 425223), (5040, 377976), (5760, 330729), (6048, 314980), (6720, 283482), (7560, 251984), (8064, 236235), (8640, 220486), (10080, 188988), (12096, 157490), (13440, 141741), (15120, 125992), (15749, 120960), (17280, 110243), (20160, 94494), (24192, 78745), (30240, 62996), (31498, 60480), (40320, 47247)]