40688640

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{883}}^1$

素因数の和:914

約数の個数: 132

約数和(自身を含む): 141144744

約数和(自身を除く): 100456104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 883, 960, 1024, 1152, 1280, 1440, 1536, 1766, 1920, 2304, 2560, 2649, 2880, 3072, 3532, 3840, 4415, 4608, 5120, 5298, 5760, 7064, 7680, 7947, 8830, 9216, 10596, 11520, 13245, 14128, 15360, 15894, 17660, 21192, 23040, 26490, 28256, 31788, 35320, 39735, 42384, 46080, 52980, 56512, 63576, 70640, 79470, 84768, 105960, 113024, 127152, 141280, 158940, 169536, 211920, 226048, 254304, 282560, 317880, 339072, 423840, 452096, 508608, 565120, 635760, 678144, 847680, 904192, 1017216, 1130240, 1271520, 1356288, 1695360, 2034432, 2260480, 2543040, 2712576, 3390720, 4068864, 4520960, 5086080, 6781440, 8137728, 10172160, 13562880, 20344320, 40688640]

約数ペア:

[(1, 40688640), (2, 20344320), (3, 13562880), (4, 10172160), (5, 8137728), (6, 6781440), (8, 5086080), (9, 4520960), (10, 4068864), (12, 3390720), (15, 2712576), (16, 2543040), (18, 2260480), (20, 2034432), (24, 1695360), (30, 1356288), (32, 1271520), (36, 1130240), (40, 1017216), (45, 904192), (48, 847680), (60, 678144), (64, 635760), (72, 565120), (80, 508608), (90, 452096), (96, 423840), (120, 339072), (128, 317880), (144, 282560), (160, 254304), (180, 226048), (192, 211920), (240, 169536), (256, 158940), (288, 141280), (320, 127152), (360, 113024), (384, 105960), (480, 84768), (512, 79470), (576, 70640), (640, 63576), (720, 56512), (768, 52980), (883, 46080), (960, 42384), (1024, 39735), (1152, 35320), (1280, 31788), (1440, 28256), (1536, 26490), (1766, 23040), (1920, 21192), (2304, 17660), (2560, 15894), (2649, 15360), (2880, 14128), (3072, 13245), (3532, 11520), (3840, 10596), (4415, 9216), (4608, 8830), (5120, 7947), (5298, 7680), (5760, 7064)]