78872040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:936

約数の個数: 192

約数和(自身を含む): 290908800

約数和(自身を除く): 212036760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 684, 741, 760, 780, 855, 887, 936, 988, 1140, 1170, 1235, 1368, 1482, 1560, 1710, 1774, 1976, 2223, 2280, 2340, 2470, 2661, 2964, 3420, 3548, 3705, 4435, 4446, 4680, 4940, 5322, 5928, 6840, 7096, 7410, 7983, 8870, 8892, 9880, 10644, 11115, 11531, 13305, 14820, 15966, 16853, 17740, 17784, 21288, 22230, 23062, 26610, 29640, 31932, 33706, 34593, 35480, 39915, 44460, 46124, 50559, 53220, 57655, 63864, 67412, 69186, 79830, 84265, 88920, 92248, 101118, 103779, 106440, 115310, 134824, 138372, 151677, 159660, 168530, 172965, 202236, 207558, 219089, 230620, 252795, 276744, 303354, 319320, 337060, 345930, 404472, 415116, 438178, 461240, 505590, 518895, 606708, 657267, 674120, 691860, 758385, 830232, 876356, 1011180, 1037790, 1095445, 1213416, 1314534, 1383720, 1516770, 1752712, 1971801, 2022360, 2075580, 2190890, 2629068, 3033540, 3286335, 3943602, 4151160, 4381780, 5258136, 6067080, 6572670, 7887204, 8763560, 9859005, 13145340, 15774408, 19718010, 26290680, 39436020, 78872040]

約数ペア:

[(1, 78872040), (2, 39436020), (3, 26290680), (4, 19718010), (5, 15774408), (6, 13145340), (8, 9859005), (9, 8763560), (10, 7887204), (12, 6572670), (13, 6067080), (15, 5258136), (18, 4381780), (19, 4151160), (20, 3943602), (24, 3286335), (26, 3033540), (30, 2629068), (36, 2190890), (38, 2075580), (39, 2022360), (40, 1971801), (45, 1752712), (52, 1516770), (57, 1383720), (60, 1314534), (65, 1213416), (72, 1095445), (76, 1037790), (78, 1011180), (90, 876356), (95, 830232), (104, 758385), (114, 691860), (117, 674120), (120, 657267), (130, 606708), (152, 518895), (156, 505590), (171, 461240), (180, 438178), (190, 415116), (195, 404472), (228, 345930), (234, 337060), (247, 319320), (260, 303354), (285, 276744), (312, 252795), (342, 230620), (360, 219089), (380, 207558), (390, 202236), (456, 172965), (468, 168530), (494, 159660), (520, 151677), (570, 138372), (585, 134824), (684, 115310), (741, 106440), (760, 103779), (780, 101118), (855, 92248), (887, 88920), (936, 84265), (988, 79830), (1140, 69186), (1170, 67412), (1235, 63864), (1368, 57655), (1482, 53220), (1560, 50559), (1710, 46124), (1774, 44460), (1976, 39915), (2223, 35480), (2280, 34593), (2340, 33706), (2470, 31932), (2661, 29640), (2964, 26610), (3420, 23062), (3548, 22230), (3705, 21288), (4435, 17784), (4446, 17740), (4680, 16853), (4940, 15966), (5322, 14820), (5928, 13305), (6840, 11531), (7096, 11115), (7410, 10644), (7983, 9880), (8870, 8892)]