84140820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:950

約数の個数: 144

約数和(自身を含む): 279272448

約数和(自身を除く): 195131628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 887, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1774, 1860, 2108, 2635, 2661, 2790, 3060, 3162, 3548, 4435, 4743, 5270, 5322, 5580, 6324, 7905, 7983, 8870, 9486, 10540, 10644, 13305, 15079, 15810, 15966, 17740, 18972, 23715, 26610, 27497, 30158, 31620, 31932, 39915, 45237, 47430, 53220, 54994, 60316, 75395, 79830, 82491, 90474, 94860, 109988, 135711, 137485, 150790, 159660, 164982, 180948, 226185, 247473, 271422, 274970, 301580, 329964, 412455, 452370, 467449, 494946, 542844, 549940, 678555, 824910, 904740, 934898, 989892, 1237365, 1357110, 1402347, 1649820, 1869796, 2337245, 2474730, 2714220, 2804694, 4207041, 4674490, 4949460, 5609388, 7011735, 8414082, 9348980, 14023470, 16828164, 21035205, 28046940, 42070410, 84140820]

約数ペア:

[(1, 84140820), (2, 42070410), (3, 28046940), (4, 21035205), (5, 16828164), (6, 14023470), (9, 9348980), (10, 8414082), (12, 7011735), (15, 5609388), (17, 4949460), (18, 4674490), (20, 4207041), (30, 2804694), (31, 2714220), (34, 2474730), (36, 2337245), (45, 1869796), (51, 1649820), (60, 1402347), (62, 1357110), (68, 1237365), (85, 989892), (90, 934898), (93, 904740), (102, 824910), (124, 678555), (153, 549940), (155, 542844), (170, 494946), (180, 467449), (186, 452370), (204, 412455), (255, 329964), (279, 301580), (306, 274970), (310, 271422), (340, 247473), (372, 226185), (465, 180948), (510, 164982), (527, 159660), (558, 150790), (612, 137485), (620, 135711), (765, 109988), (887, 94860), (930, 90474), (1020, 82491), (1054, 79830), (1116, 75395), (1395, 60316), (1530, 54994), (1581, 53220), (1774, 47430), (1860, 45237), (2108, 39915), (2635, 31932), (2661, 31620), (2790, 30158), (3060, 27497), (3162, 26610), (3548, 23715), (4435, 18972), (4743, 17740), (5270, 15966), (5322, 15810), (5580, 15079), (6324, 13305), (7905, 10644), (7983, 10540), (8870, 9486)]