305295480

素因数分解:

$2^3\times 3^5\times 5^1\times 7^2\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 288

約数和(自身を含む): 1198819440

約数和(自身を除く): 893523960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 243, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 486, 490, 504, 540, 567, 588, 630, 641, 648, 735, 756, 810, 840, 882, 945, 972, 980, 1080, 1134, 1176, 1215, 1260, 1282, 1323, 1470, 1512, 1620, 1701, 1764, 1890, 1923, 1944, 1960, 2205, 2268, 2430, 2520, 2564, 2646, 2835, 2940, 3205, 3240, 3402, 3528, 3780, 3846, 3969, 4410, 4487, 4536, 4860, 5128, 5292, 5670, 5769, 5880, 6410, 6615, 6804, 7560, 7692, 7938, 8505, 8820, 8974, 9615, 9720, 10584, 11340, 11538, 11907, 12820, 13230, 13461, 13608, 15384, 15876, 17010, 17307, 17640, 17948, 19230, 19845, 22435, 22680, 23076, 23814, 25640, 26460, 26922, 28845, 31409, 31752, 34020, 34614, 35896, 38460, 39690, 40383, 44870, 46152, 47628, 51921, 52920, 53844, 57690, 59535, 62818, 67305, 68040, 69228, 76920, 79380, 80766, 86535, 89740, 94227, 95256, 103842, 107688, 115380, 119070, 121149, 125636, 134610, 138456, 155763, 157045, 158760, 161532, 173070, 179480, 188454, 201915, 207684, 230760, 238140, 242298, 251272, 259605, 269220, 282681, 311526, 314090, 323064, 346140, 363447, 376908, 403830, 415368, 471135, 476280, 484596, 519210, 538440, 565362, 605745, 623052, 628180, 692280, 726894, 753816, 778815, 807660, 848043, 942270, 969192, 1038420, 1090341, 1130724, 1211490, 1246104, 1256360, 1413405, 1453788, 1557630, 1615320, 1696086, 1817235, 1884540, 2076840, 2180682, 2261448, 2422980, 2544129, 2826810, 2907576, 3115260, 3392172, 3634470, 3769080, 4240215, 4361364, 4845960, 5088258, 5451705, 5653620, 6230520, 6784344, 7268940, 7632387, 8480430, 8722728, 10176516, 10903410, 11307240, 12720645, 14537880, 15264774, 16960860, 20353032, 21806820, 25441290, 30529548, 33921720, 38161935, 43613640, 50882580, 61059096, 76323870, 101765160, 152647740, 305295480]

約数ペア:

[(1, 305295480), (2, 152647740), (3, 101765160), (4, 76323870), (5, 61059096), (6, 50882580), (7, 43613640), (8, 38161935), (9, 33921720), (10, 30529548), (12, 25441290), (14, 21806820), (15, 20353032), (18, 16960860), (20, 15264774), (21, 14537880), (24, 12720645), (27, 11307240), (28, 10903410), (30, 10176516), (35, 8722728), (36, 8480430), (40, 7632387), (42, 7268940), (45, 6784344), (49, 6230520), (54, 5653620), (56, 5451705), (60, 5088258), (63, 4845960), (70, 4361364), (72, 4240215), (81, 3769080), (84, 3634470), (90, 3392172), (98, 3115260), (105, 2907576), (108, 2826810), (120, 2544129), (126, 2422980), (135, 2261448), (140, 2180682), (147, 2076840), (162, 1884540), (168, 1817235), (180, 1696086), (189, 1615320), (196, 1557630), (210, 1453788), (216, 1413405), (243, 1256360), (245, 1246104), (252, 1211490), (270, 1130724), (280, 1090341), (294, 1038420), (315, 969192), (324, 942270), (360, 848043), (378, 807660), (392, 778815), (405, 753816), (420, 726894), (441, 692280), (486, 628180), (490, 623052), (504, 605745), (540, 565362), (567, 538440), (588, 519210), (630, 484596), (641, 476280), (648, 471135), (735, 415368), (756, 403830), (810, 376908), (840, 363447), (882, 346140), (945, 323064), (972, 314090), (980, 311526), (1080, 282681), (1134, 269220), (1176, 259605), (1215, 251272), (1260, 242298), (1282, 238140), (1323, 230760), (1470, 207684), (1512, 201915), (1620, 188454), (1701, 179480), (1764, 173070), (1890, 161532), (1923, 158760), (1944, 157045), (1960, 155763), (2205, 138456), (2268, 134610), (2430, 125636), (2520, 121149), (2564, 119070), (2646, 115380), (2835, 107688), (2940, 103842), (3205, 95256), (3240, 94227), (3402, 89740), (3528, 86535), (3780, 80766), (3846, 79380), (3969, 76920), (4410, 69228), (4487, 68040), (4536, 67305), (4860, 62818), (5128, 59535), (5292, 57690), (5670, 53844), (5769, 52920), (5880, 51921), (6410, 47628), (6615, 46152), (6804, 44870), (7560, 40383), (7692, 39690), (7938, 38460), (8505, 35896), (8820, 34614), (8974, 34020), (9615, 31752), (9720, 31409), (10584, 28845), (11340, 26922), (11538, 26460), (11907, 25640), (12820, 23814), (13230, 23076), (13461, 22680), (13608, 22435), (15384, 19845), (15876, 19230), (17010, 17948), (17307, 17640)]