641640960

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{9283}}^1$

素因数の和:9315

約数の個数: 160

約数和(自身を含む): 2279407680

約数和(自身を除く): 1637766720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 9283, 11520, 13824, 17280, 18566, 23040, 27849, 34560, 37132, 46415, 55698, 69120, 74264, 83547, 92830, 111396, 139245, 148528, 167094, 185660, 222792, 250641, 278490, 297056, 334188, 371320, 417735, 445584, 501282, 556980, 594112, 668376, 742640, 835470, 891168, 1002564, 1113960, 1188224, 1253205, 1336752, 1485280, 1670940, 1782336, 2005128, 2227920, 2376448, 2506410, 2673504, 2970560, 3341880, 3564672, 4010256, 4455840, 4752896, 5012820, 5347008, 5941120, 6683760, 7129344, 8020512, 8911680, 10025640, 10694016, 11882240, 13367520, 14258688, 16041024, 17823360, 20051280, 21388032, 23764480, 26735040, 32082048, 35646720, 40102560, 42776064, 53470080, 64164096, 71293440, 80205120, 106940160, 128328192, 160410240, 213880320, 320820480, 641640960]

約数ペア:

[(1, 641640960), (2, 320820480), (3, 213880320), (4, 160410240), (5, 128328192), (6, 106940160), (8, 80205120), (9, 71293440), (10, 64164096), (12, 53470080), (15, 42776064), (16, 40102560), (18, 35646720), (20, 32082048), (24, 26735040), (27, 23764480), (30, 21388032), (32, 20051280), (36, 17823360), (40, 16041024), (45, 14258688), (48, 13367520), (54, 11882240), (60, 10694016), (64, 10025640), (72, 8911680), (80, 8020512), (90, 7129344), (96, 6683760), (108, 5941120), (120, 5347008), (128, 5012820), (135, 4752896), (144, 4455840), (160, 4010256), (180, 3564672), (192, 3341880), (216, 2970560), (240, 2673504), (256, 2506410), (270, 2376448), (288, 2227920), (320, 2005128), (360, 1782336), (384, 1670940), (432, 1485280), (480, 1336752), (512, 1253205), (540, 1188224), (576, 1113960), (640, 1002564), (720, 891168), (768, 835470), (864, 742640), (960, 668376), (1080, 594112), (1152, 556980), (1280, 501282), (1440, 445584), (1536, 417735), (1728, 371320), (1920, 334188), (2160, 297056), (2304, 278490), (2560, 250641), (2880, 222792), (3456, 185660), (3840, 167094), (4320, 148528), (4608, 139245), (5760, 111396), (6912, 92830), (7680, 83547), (8640, 74264), (9283, 69120), (11520, 55698), (13824, 46415), (17280, 37132), (18566, 34560), (23040, 27849)]