20489464320

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205223}}^1$

素因数の和:205262

約数の個数: 160

約数和(自身を含む): 70541235072

約数和(自身を除く): 50051770752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 3120, 3328, 3840, 4160, 4992, 6240, 6656, 7680, 8320, 9984, 12480, 16640, 19968, 24960, 33280, 49920, 99840, 205223, 410446, 615669, 820892, 1026115, 1231338, 1641784, 2052230, 2462676, 2667899, 3078345, 3283568, 4104460, 4925352, 5335798, 6156690, 6567136, 8003697, 8208920, 9850704, 10671596, 12313380, 13134272, 13339495, 16007394, 16417840, 19701408, 21343192, 24626760, 26268544, 26678990, 32014788, 32835680, 39402816, 40018485, 42686384, 49253520, 52537088, 53357980, 64029576, 65671360, 78805632, 80036970, 85372768, 98507040, 105074176, 106715960, 128059152, 131342720, 157611264, 160073940, 170745536, 197014080, 213431920, 256118304, 262685440, 315222528, 320147880, 341491072, 394028160, 426863840, 512236608, 525370880, 640295760, 682982144, 788056320, 853727680, 1024473216, 1280591520, 1365964288, 1576112640, 1707455360, 2048946432, 2561183040, 3414910720, 4097892864, 5122366080, 6829821440, 10244732160, 20489464320]

約数ペア:

[(1, 20489464320), (2, 10244732160), (3, 6829821440), (4, 5122366080), (5, 4097892864), (6, 3414910720), (8, 2561183040), (10, 2048946432), (12, 1707455360), (13, 1576112640), (15, 1365964288), (16, 1280591520), (20, 1024473216), (24, 853727680), (26, 788056320), (30, 682982144), (32, 640295760), (39, 525370880), (40, 512236608), (48, 426863840), (52, 394028160), (60, 341491072), (64, 320147880), (65, 315222528), (78, 262685440), (80, 256118304), (96, 213431920), (104, 197014080), (120, 170745536), (128, 160073940), (130, 157611264), (156, 131342720), (160, 128059152), (192, 106715960), (195, 105074176), (208, 98507040), (240, 85372768), (256, 80036970), (260, 78805632), (312, 65671360), (320, 64029576), (384, 53357980), (390, 52537088), (416, 49253520), (480, 42686384), (512, 40018485), (520, 39402816), (624, 32835680), (640, 32014788), (768, 26678990), (780, 26268544), (832, 24626760), (960, 21343192), (1040, 19701408), (1248, 16417840), (1280, 16007394), (1536, 13339495), (1560, 13134272), (1664, 12313380), (1920, 10671596), (2080, 9850704), (2496, 8208920), (2560, 8003697), (3120, 6567136), (3328, 6156690), (3840, 5335798), (4160, 4925352), (4992, 4104460), (6240, 3283568), (6656, 3078345), (7680, 2667899), (8320, 2462676), (9984, 2052230), (12480, 1641784), (16640, 1231338), (19968, 1026115), (24960, 820892), (33280, 615669), (49920, 410446), (99840, 205223)]