208515840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4177}}^1$

素因数の和:4214

約数の個数: 144

約数和(自身を含む): 717345888

約数和(自身を除く): 508830048

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, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4177, 4992, 6240, 8320, 8354, 9984, 12480, 12531, 16640, 16708, 20885, 24960, 25062, 33416, 41770, 49920, 50124, 54301, 62655, 66832, 83540, 100248, 108602, 125310, 133664, 162903, 167080, 200496, 217204, 250620, 267328, 271505, 325806, 334160, 400992, 434408, 501240, 534656, 543010, 651612, 668320, 801984, 814515, 868816, 1002480, 1069312, 1086020, 1303224, 1336640, 1603968, 1629030, 1737632, 2004960, 2172040, 2606448, 2673280, 3207936, 3258060, 3475264, 4009920, 4344080, 5212896, 5346560, 6516120, 6950528, 8019840, 8688160, 10425792, 13032240, 13901056, 16039680, 17376320, 20851584, 26064480, 34752640, 41703168, 52128960, 69505280, 104257920, 208515840]

約数ペア:

[(1, 208515840), (2, 104257920), (3, 69505280), (4, 52128960), (5, 41703168), (6, 34752640), (8, 26064480), (10, 20851584), (12, 17376320), (13, 16039680), (15, 13901056), (16, 13032240), (20, 10425792), (24, 8688160), (26, 8019840), (30, 6950528), (32, 6516120), (39, 5346560), (40, 5212896), (48, 4344080), (52, 4009920), (60, 3475264), (64, 3258060), (65, 3207936), (78, 2673280), (80, 2606448), (96, 2172040), (104, 2004960), (120, 1737632), (128, 1629030), (130, 1603968), (156, 1336640), (160, 1303224), (192, 1086020), (195, 1069312), (208, 1002480), (240, 868816), (256, 814515), (260, 801984), (312, 668320), (320, 651612), (384, 543010), (390, 534656), (416, 501240), (480, 434408), (520, 400992), (624, 334160), (640, 325806), (768, 271505), (780, 267328), (832, 250620), (960, 217204), (1040, 200496), (1248, 167080), (1280, 162903), (1560, 133664), (1664, 125310), (1920, 108602), (2080, 100248), (2496, 83540), (3120, 66832), (3328, 62655), (3840, 54301), (4160, 50124), (4177, 49920), (4992, 41770), (6240, 33416), (8320, 25062), (8354, 24960), (9984, 20885), (12480, 16708), (12531, 16640)]