1978621440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4861}}^1$

素因数の和:4940

約数の個数: 160

約数和(自身を含む): 6446078496

約数和(自身を除く): 4467457056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 256, 265, 318, 320, 384, 424, 480, 512, 530, 636, 640, 768, 795, 848, 960, 1060, 1272, 1280, 1536, 1590, 1696, 1920, 2120, 2544, 2560, 3180, 3392, 3840, 4240, 4861, 5088, 6360, 6784, 7680, 8480, 9722, 10176, 12720, 13568, 14583, 16960, 19444, 20352, 24305, 25440, 27136, 29166, 33920, 38888, 40704, 48610, 50880, 58332, 67840, 72915, 77776, 81408, 97220, 101760, 116664, 135680, 145830, 155552, 194440, 203520, 233328, 257633, 291660, 311104, 388880, 407040, 466656, 515266, 583320, 622208, 772899, 777760, 933312, 1030532, 1166640, 1244416, 1288165, 1545798, 1555520, 1866624, 2061064, 2333280, 2488832, 2576330, 3091596, 3111040, 3733248, 3864495, 4122128, 4666560, 5152660, 6183192, 6222080, 7466496, 7728990, 8244256, 9333120, 10305320, 12366384, 12444160, 15457980, 16488512, 18666240, 20610640, 24732768, 30915960, 32977024, 37332480, 41221280, 49465536, 61831920, 65954048, 82442560, 98931072, 123663840, 131908096, 164885120, 197862144, 247327680, 329770240, 395724288, 494655360, 659540480, 989310720, 1978621440]

約数ペア:

[(1, 1978621440), (2, 989310720), (3, 659540480), (4, 494655360), (5, 395724288), (6, 329770240), (8, 247327680), (10, 197862144), (12, 164885120), (15, 131908096), (16, 123663840), (20, 98931072), (24, 82442560), (30, 65954048), (32, 61831920), (40, 49465536), (48, 41221280), (53, 37332480), (60, 32977024), (64, 30915960), (80, 24732768), (96, 20610640), (106, 18666240), (120, 16488512), (128, 15457980), (159, 12444160), (160, 12366384), (192, 10305320), (212, 9333120), (240, 8244256), (256, 7728990), (265, 7466496), (318, 6222080), (320, 6183192), (384, 5152660), (424, 4666560), (480, 4122128), (512, 3864495), (530, 3733248), (636, 3111040), (640, 3091596), (768, 2576330), (795, 2488832), (848, 2333280), (960, 2061064), (1060, 1866624), (1272, 1555520), (1280, 1545798), (1536, 1288165), (1590, 1244416), (1696, 1166640), (1920, 1030532), (2120, 933312), (2544, 777760), (2560, 772899), (3180, 622208), (3392, 583320), (3840, 515266), (4240, 466656), (4861, 407040), (5088, 388880), (6360, 311104), (6784, 291660), (7680, 257633), (8480, 233328), (9722, 203520), (10176, 194440), (12720, 155552), (13568, 145830), (14583, 135680), (16960, 116664), (19444, 101760), (20352, 97220), (24305, 81408), (25440, 77776), (27136, 72915), (29166, 67840), (33920, 58332), (38888, 50880), (40704, 48610)]