80286720

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{5227}}^1$

素因数の和:5255

約数の個数: 88

約数和(自身を含む): 256841184

約数和(自身を除く): 176554464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 5227, 7680, 10454, 15360, 15681, 20908, 26135, 31362, 41816, 52270, 62724, 78405, 83632, 104540, 125448, 156810, 167264, 209080, 250896, 313620, 334528, 418160, 501792, 627240, 669056, 836320, 1003584, 1254480, 1338112, 1672640, 2007168, 2508960, 2676224, 3345280, 4014336, 5017920, 5352448, 6690560, 8028672, 10035840, 13381120, 16057344, 20071680, 26762240, 40143360, 80286720]

約数ペア:

[(1, 80286720), (2, 40143360), (3, 26762240), (4, 20071680), (5, 16057344), (6, 13381120), (8, 10035840), (10, 8028672), (12, 6690560), (15, 5352448), (16, 5017920), (20, 4014336), (24, 3345280), (30, 2676224), (32, 2508960), (40, 2007168), (48, 1672640), (60, 1338112), (64, 1254480), (80, 1003584), (96, 836320), (120, 669056), (128, 627240), (160, 501792), (192, 418160), (240, 334528), (256, 313620), (320, 250896), (384, 209080), (480, 167264), (512, 156810), (640, 125448), (768, 104540), (960, 83632), (1024, 78405), (1280, 62724), (1536, 52270), (1920, 41816), (2560, 31362), (3072, 26135), (3840, 20908), (5120, 15681), (5227, 15360), (7680, 10454)]