20219166720

素因数分解:

$2^{19}\times 3^2\times 5^1\times {\mathrm{857}}^1$

素因数の和:906

約数の個数: 240

約数和(自身を含む): 70174833300

約数和(自身を除く): 49955666580

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, 857, 960, 1024, 1152, 1280, 1440, 1536, 1714, 1920, 2048, 2304, 2560, 2571, 2880, 3072, 3428, 3840, 4096, 4285, 4608, 5120, 5142, 5760, 6144, 6856, 7680, 7713, 8192, 8570, 9216, 10240, 10284, 11520, 12288, 12855, 13712, 15360, 15426, 16384, 17140, 18432, 20480, 20568, 23040, 24576, 25710, 27424, 30720, 30852, 32768, 34280, 36864, 38565, 40960, 41136, 46080, 49152, 51420, 54848, 61440, 61704, 65536, 68560, 73728, 77130, 81920, 82272, 92160, 98304, 102840, 109696, 122880, 123408, 131072, 137120, 147456, 154260, 163840, 164544, 184320, 196608, 205680, 219392, 245760, 246816, 262144, 274240, 294912, 308520, 327680, 329088, 368640, 393216, 411360, 438784, 491520, 493632, 524288, 548480, 589824, 617040, 655360, 658176, 737280, 786432, 822720, 877568, 983040, 987264, 1096960, 1179648, 1234080, 1310720, 1316352, 1474560, 1572864, 1645440, 1755136, 1966080, 1974528, 2193920, 2359296, 2468160, 2621440, 2632704, 2949120, 3290880, 3510272, 3932160, 3949056, 4387840, 4718592, 4936320, 5265408, 5898240, 6581760, 7020544, 7864320, 7898112, 8775680, 9872640, 10530816, 11796480, 13163520, 14041088, 15796224, 17551360, 19745280, 21061632, 23592960, 26327040, 28082176, 31592448, 35102720, 39490560, 42123264, 52654080, 56164352, 63184896, 70205440, 78981120, 84246528, 105308160, 112328704, 126369792, 140410880, 157962240, 168493056, 210616320, 224657408, 252739584, 280821760, 315924480, 336986112, 421232640, 449314816, 505479168, 561643520, 631848960, 673972224, 842465280, 1010958336, 1123287040, 1263697920, 1347944448, 1684930560, 2021916672, 2246574080, 2527395840, 3369861120, 4043833344, 5054791680, 6739722240, 10109583360, 20219166720]

約数ペア:

[(1, 20219166720), (2, 10109583360), (3, 6739722240), (4, 5054791680), (5, 4043833344), (6, 3369861120), (8, 2527395840), (9, 2246574080), (10, 2021916672), (12, 1684930560), (15, 1347944448), (16, 1263697920), (18, 1123287040), (20, 1010958336), (24, 842465280), (30, 673972224), (32, 631848960), (36, 561643520), (40, 505479168), (45, 449314816), (48, 421232640), (60, 336986112), (64, 315924480), (72, 280821760), (80, 252739584), (90, 224657408), (96, 210616320), (120, 168493056), (128, 157962240), (144, 140410880), (160, 126369792), (180, 112328704), (192, 105308160), (240, 84246528), (256, 78981120), (288, 70205440), (320, 63184896), (360, 56164352), (384, 52654080), (480, 42123264), (512, 39490560), (576, 35102720), (640, 31592448), (720, 28082176), (768, 26327040), (857, 23592960), (960, 21061632), (1024, 19745280), (1152, 17551360), (1280, 15796224), (1440, 14041088), (1536, 13163520), (1714, 11796480), (1920, 10530816), (2048, 9872640), (2304, 8775680), (2560, 7898112), (2571, 7864320), (2880, 7020544), (3072, 6581760), (3428, 5898240), (3840, 5265408), (4096, 4936320), (4285, 4718592), (4608, 4387840), (5120, 3949056), (5142, 3932160), (5760, 3510272), (6144, 3290880), (6856, 2949120), (7680, 2632704), (7713, 2621440), (8192, 2468160), (8570, 2359296), (9216, 2193920), (10240, 1974528), (10284, 1966080), (11520, 1755136), (12288, 1645440), (12855, 1572864), (13712, 1474560), (15360, 1316352), (15426, 1310720), (16384, 1234080), (17140, 1179648), (18432, 1096960), (20480, 987264), (20568, 983040), (23040, 877568), (24576, 822720), (25710, 786432), (27424, 737280), (30720, 658176), (30852, 655360), (32768, 617040), (34280, 589824), (36864, 548480), (38565, 524288), (40960, 493632), (41136, 491520), (46080, 438784), (49152, 411360), (51420, 393216), (54848, 368640), (61440, 329088), (61704, 327680), (65536, 308520), (68560, 294912), (73728, 274240), (77130, 262144), (81920, 246816), (82272, 245760), (92160, 219392), (98304, 205680), (102840, 196608), (109696, 184320), (122880, 164544), (123408, 163840), (131072, 154260), (137120, 147456)]