641447040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:895

約数の個数: 256

約数和(自身を含む): 2275660800

約数和(自身を除く): 1634213760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 372, 384, 390, 403, 416, 465, 480, 496, 520, 620, 624, 640, 744, 780, 806, 829, 832, 930, 960, 992, 1040, 1209, 1240, 1248, 1488, 1560, 1612, 1658, 1664, 1860, 1920, 1984, 2015, 2080, 2418, 2480, 2487, 2496, 2976, 3120, 3224, 3316, 3720, 3968, 4030, 4145, 4160, 4836, 4960, 4974, 4992, 5952, 6045, 6240, 6448, 6632, 7440, 8060, 8290, 8320, 9672, 9920, 9948, 10777, 11904, 12090, 12435, 12480, 12896, 13264, 14880, 16120, 16580, 19344, 19840, 19896, 21554, 24180, 24870, 24960, 25699, 25792, 26528, 29760, 32240, 32331, 33160, 38688, 39792, 43108, 48360, 49740, 51398, 51584, 53056, 53885, 59520, 64480, 64662, 66320, 77097, 77376, 79584, 86216, 96720, 99480, 102796, 106112, 107770, 128495, 128960, 129324, 132640, 154194, 154752, 159168, 161655, 172432, 193440, 198960, 205592, 215540, 256990, 257920, 258648, 265280, 308388, 318336, 323310, 334087, 344864, 385485, 386880, 397920, 411184, 431080, 513980, 517296, 530560, 616776, 646620, 668174, 689728, 770970, 773760, 795840, 822368, 862160, 1002261, 1027960, 1034592, 1233552, 1293240, 1336348, 1379456, 1541940, 1591680, 1644736, 1670435, 1724320, 2004522, 2055920, 2069184, 2467104, 2586480, 2672696, 3083880, 3289472, 3340870, 3448640, 4009044, 4111840, 4138368, 4934208, 5011305, 5172960, 5345392, 6167760, 6681740, 6897280, 8018088, 8223680, 9868416, 10022610, 10345920, 10690784, 12335520, 13363480, 16036176, 16447360, 20045220, 20691840, 21381568, 24671040, 26726960, 32072352, 40090440, 42763136, 49342080, 53453920, 64144704, 80180880, 106907840, 128289408, 160361760, 213815680, 320723520, 641447040]

約数ペア:

[(1, 641447040), (2, 320723520), (3, 213815680), (4, 160361760), (5, 128289408), (6, 106907840), (8, 80180880), (10, 64144704), (12, 53453920), (13, 49342080), (15, 42763136), (16, 40090440), (20, 32072352), (24, 26726960), (26, 24671040), (30, 21381568), (31, 20691840), (32, 20045220), (39, 16447360), (40, 16036176), (48, 13363480), (52, 12335520), (60, 10690784), (62, 10345920), (64, 10022610), (65, 9868416), (78, 8223680), (80, 8018088), (93, 6897280), (96, 6681740), (104, 6167760), (120, 5345392), (124, 5172960), (128, 5011305), (130, 4934208), (155, 4138368), (156, 4111840), (160, 4009044), (186, 3448640), (192, 3340870), (195, 3289472), (208, 3083880), (240, 2672696), (248, 2586480), (260, 2467104), (310, 2069184), (312, 2055920), (320, 2004522), (372, 1724320), (384, 1670435), (390, 1644736), (403, 1591680), (416, 1541940), (465, 1379456), (480, 1336348), (496, 1293240), (520, 1233552), (620, 1034592), (624, 1027960), (640, 1002261), (744, 862160), (780, 822368), (806, 795840), (829, 773760), (832, 770970), (930, 689728), (960, 668174), (992, 646620), (1040, 616776), (1209, 530560), (1240, 517296), (1248, 513980), (1488, 431080), (1560, 411184), (1612, 397920), (1658, 386880), (1664, 385485), (1860, 344864), (1920, 334087), (1984, 323310), (2015, 318336), (2080, 308388), (2418, 265280), (2480, 258648), (2487, 257920), (2496, 256990), (2976, 215540), (3120, 205592), (3224, 198960), (3316, 193440), (3720, 172432), (3968, 161655), (4030, 159168), (4145, 154752), (4160, 154194), (4836, 132640), (4960, 129324), (4974, 128960), (4992, 128495), (5952, 107770), (6045, 106112), (6240, 102796), (6448, 99480), (6632, 96720), (7440, 86216), (8060, 79584), (8290, 77376), (8320, 77097), (9672, 66320), (9920, 64662), (9948, 64480), (10777, 59520), (11904, 53885), (12090, 53056), (12435, 51584), (12480, 51398), (12896, 49740), (13264, 48360), (14880, 43108), (16120, 39792), (16580, 38688), (19344, 33160), (19840, 32331), (19896, 32240), (21554, 29760), (24180, 26528), (24870, 25792), (24960, 25699)]