64342980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:946

約数の個数: 144

約数和(自身を含む): 217211904

約数和(自身を除く): 152868924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 887, 930, 1116, 1170, 1209, 1395, 1612, 1774, 1860, 2015, 2340, 2418, 2661, 2790, 3548, 3627, 4030, 4435, 4836, 5322, 5580, 6045, 7254, 7983, 8060, 8870, 10644, 11531, 12090, 13305, 14508, 15966, 17740, 18135, 23062, 24180, 26610, 27497, 31932, 34593, 36270, 39915, 46124, 53220, 54994, 57655, 69186, 72540, 79830, 82491, 103779, 109988, 115310, 137485, 138372, 159660, 164982, 172965, 207558, 230620, 247473, 274970, 329964, 345930, 357461, 412455, 415116, 494946, 518895, 549940, 691860, 714922, 824910, 989892, 1037790, 1072383, 1237365, 1429844, 1649820, 1787305, 2075580, 2144766, 2474730, 3217149, 3574610, 4289532, 4949460, 5361915, 6434298, 7149220, 10723830, 12868596, 16085745, 21447660, 32171490, 64342980]

約数ペア:

[(1, 64342980), (2, 32171490), (3, 21447660), (4, 16085745), (5, 12868596), (6, 10723830), (9, 7149220), (10, 6434298), (12, 5361915), (13, 4949460), (15, 4289532), (18, 3574610), (20, 3217149), (26, 2474730), (30, 2144766), (31, 2075580), (36, 1787305), (39, 1649820), (45, 1429844), (52, 1237365), (60, 1072383), (62, 1037790), (65, 989892), (78, 824910), (90, 714922), (93, 691860), (117, 549940), (124, 518895), (130, 494946), (155, 415116), (156, 412455), (180, 357461), (186, 345930), (195, 329964), (234, 274970), (260, 247473), (279, 230620), (310, 207558), (372, 172965), (390, 164982), (403, 159660), (465, 138372), (468, 137485), (558, 115310), (585, 109988), (620, 103779), (780, 82491), (806, 79830), (887, 72540), (930, 69186), (1116, 57655), (1170, 54994), (1209, 53220), (1395, 46124), (1612, 39915), (1774, 36270), (1860, 34593), (2015, 31932), (2340, 27497), (2418, 26610), (2661, 24180), (2790, 23062), (3548, 18135), (3627, 17740), (4030, 15966), (4435, 14508), (4836, 13305), (5322, 12090), (5580, 11531), (6045, 10644), (7254, 8870), (7983, 8060)]