19978367760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{112339}}^1$

素因数の和:112390

約数の個数: 240

約数和(自身を含む): 76058673600

約数和(自身を除く): 56080305840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7410, 8892, 9360, 9880, 11115, 11856, 13680, 14820, 17784, 19760, 22230, 29640, 35568, 44460, 59280, 88920, 112339, 177840, 224678, 337017, 449356, 561695, 674034, 898712, 1011051, 1123390, 1348068, 1460407, 1685085, 1797424, 2022102, 2134441, 2246780, 2696136, 2920814, 3370170, 4044204, 4268882, 4381221, 4493560, 5055255, 5392272, 5841628, 6403323, 6740340, 7302035, 8088408, 8537764, 8762442, 8987120, 10110510, 10672205, 11683256, 12806646, 13143663, 13480680, 14604070, 16176816, 17075528, 17524884, 19209969, 20221020, 21344410, 21906105, 23366512, 25613292, 26287326, 26961360, 27747733, 29208140, 32016615, 34151056, 35049768, 38419938, 40442040, 42688820, 43812210, 51226584, 52574652, 55495466, 58416280, 64033230, 65718315, 70099536, 76839876, 80884080, 83243199, 85377640, 87624420, 96049845, 102453168, 105149304, 110990932, 116832560, 128066460, 131436630, 138738665, 153679752, 166486398, 170755280, 175248840, 192099690, 210298608, 221981864, 249729597, 256132920, 262873260, 277477330, 307359504, 332972796, 350497680, 384199380, 416215995, 443963728, 499459194, 512265840, 525746520, 554954660, 665945592, 768398760, 832431990, 998918388, 1051493040, 1109909320, 1248647985, 1331891184, 1536797520, 1664863980, 1997836776, 2219818640, 2497295970, 3329727960, 3995673552, 4994591940, 6659455920, 9989183880, 19978367760]

約数ペア:

[(1, 19978367760), (2, 9989183880), (3, 6659455920), (4, 4994591940), (5, 3995673552), (6, 3329727960), (8, 2497295970), (9, 2219818640), (10, 1997836776), (12, 1664863980), (13, 1536797520), (15, 1331891184), (16, 1248647985), (18, 1109909320), (19, 1051493040), (20, 998918388), (24, 832431990), (26, 768398760), (30, 665945592), (36, 554954660), (38, 525746520), (39, 512265840), (40, 499459194), (45, 443963728), (48, 416215995), (52, 384199380), (57, 350497680), (60, 332972796), (65, 307359504), (72, 277477330), (76, 262873260), (78, 256132920), (80, 249729597), (90, 221981864), (95, 210298608), (104, 192099690), (114, 175248840), (117, 170755280), (120, 166486398), (130, 153679752), (144, 138738665), (152, 131436630), (156, 128066460), (171, 116832560), (180, 110990932), (190, 105149304), (195, 102453168), (208, 96049845), (228, 87624420), (234, 85377640), (240, 83243199), (247, 80884080), (260, 76839876), (285, 70099536), (304, 65718315), (312, 64033230), (342, 58416280), (360, 55495466), (380, 52574652), (390, 51226584), (456, 43812210), (468, 42688820), (494, 40442040), (520, 38419938), (570, 35049768), (585, 34151056), (624, 32016615), (684, 29208140), (720, 27747733), (741, 26961360), (760, 26287326), (780, 25613292), (855, 23366512), (912, 21906105), (936, 21344410), (988, 20221020), (1040, 19209969), (1140, 17524884), (1170, 17075528), (1235, 16176816), (1368, 14604070), (1482, 13480680), (1520, 13143663), (1560, 12806646), (1710, 11683256), (1872, 10672205), (1976, 10110510), (2223, 8987120), (2280, 8762442), (2340, 8537764), (2470, 8088408), (2736, 7302035), (2964, 6740340), (3120, 6403323), (3420, 5841628), (3705, 5392272), (3952, 5055255), (4446, 4493560), (4560, 4381221), (4680, 4268882), (4940, 4044204), (5928, 3370170), (6840, 2920814), (7410, 2696136), (8892, 2246780), (9360, 2134441), (9880, 2022102), (11115, 1797424), (11856, 1685085), (13680, 1460407), (14820, 1348068), (17784, 1123390), (19760, 1011051), (22230, 898712), (29640, 674034), (35568, 561695), (44460, 449356), (59280, 337017), (88920, 224678), (112339, 177840)]