1325470720

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1256

約数の個数: 176

約数和(自身を含む): 3754165248

約数和(自身を除く): 2428694528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 868, 896, 992, 1024, 1085, 1120, 1193, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2386, 2480, 2560, 3472, 3584, 3968, 4340, 4480, 4772, 4960, 5120, 5965, 6944, 7168, 7936, 8351, 8680, 8960, 9544, 9920, 11930, 13888, 15872, 16702, 17360, 17920, 19088, 19840, 23860, 27776, 31744, 33404, 34720, 35840, 36983, 38176, 39680, 41755, 47720, 55552, 66808, 69440, 73966, 76352, 79360, 83510, 95440, 111104, 133616, 138880, 147932, 152704, 158720, 167020, 184915, 190880, 222208, 258881, 267232, 277760, 295864, 305408, 334040, 369830, 381760, 517762, 534464, 555520, 591728, 610816, 668080, 739660, 763520, 1035524, 1068928, 1111040, 1183456, 1221632, 1294405, 1336160, 1479320, 1527040, 2071048, 2137856, 2366912, 2588810, 2672320, 2958640, 3054080, 4142096, 4275712, 4733824, 5177620, 5344640, 5917280, 6108160, 8284192, 8551424, 9467648, 10355240, 10689280, 11834560, 16568384, 18935296, 20710480, 21378560, 23669120, 33136768, 37870592, 41420960, 42757120, 47338240, 66273536, 82841920, 94676480, 132547072, 165683840, 189352960, 265094144, 331367680, 662735360, 1325470720]

約数ペア:

[(1, 1325470720), (2, 662735360), (4, 331367680), (5, 265094144), (7, 189352960), (8, 165683840), (10, 132547072), (14, 94676480), (16, 82841920), (20, 66273536), (28, 47338240), (31, 42757120), (32, 41420960), (35, 37870592), (40, 33136768), (56, 23669120), (62, 21378560), (64, 20710480), (70, 18935296), (80, 16568384), (112, 11834560), (124, 10689280), (128, 10355240), (140, 9467648), (155, 8551424), (160, 8284192), (217, 6108160), (224, 5917280), (248, 5344640), (256, 5177620), (280, 4733824), (310, 4275712), (320, 4142096), (434, 3054080), (448, 2958640), (496, 2672320), (512, 2588810), (560, 2366912), (620, 2137856), (640, 2071048), (868, 1527040), (896, 1479320), (992, 1336160), (1024, 1294405), (1085, 1221632), (1120, 1183456), (1193, 1111040), (1240, 1068928), (1280, 1035524), (1736, 763520), (1792, 739660), (1984, 668080), (2170, 610816), (2240, 591728), (2386, 555520), (2480, 534464), (2560, 517762), (3472, 381760), (3584, 369830), (3968, 334040), (4340, 305408), (4480, 295864), (4772, 277760), (4960, 267232), (5120, 258881), (5965, 222208), (6944, 190880), (7168, 184915), (7936, 167020), (8351, 158720), (8680, 152704), (8960, 147932), (9544, 138880), (9920, 133616), (11930, 111104), (13888, 95440), (15872, 83510), (16702, 79360), (17360, 76352), (17920, 73966), (19088, 69440), (19840, 66808), (23860, 55552), (27776, 47720), (31744, 41755), (33404, 39680), (34720, 38176), (35840, 36983)]