312640890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{887}}^1$

素因数の和:1307

約数の個数: 64

約数和(自身を含む): 777461760

約数和(自身を除く): 464820870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 379, 465, 758, 887, 930, 1137, 1774, 1895, 2274, 2661, 3790, 4435, 5322, 5685, 8870, 11370, 11749, 13305, 23498, 26610, 27497, 35247, 54994, 58745, 70494, 82491, 117490, 137485, 164982, 176235, 274970, 336173, 352470, 412455, 672346, 824910, 1008519, 1680865, 2017038, 3361730, 5042595, 10085190, 10421363, 20842726, 31264089, 52106815, 62528178, 104213630, 156320445, 312640890]

約数ペア:

[(1, 312640890), (2, 156320445), (3, 104213630), (5, 62528178), (6, 52106815), (10, 31264089), (15, 20842726), (30, 10421363), (31, 10085190), (62, 5042595), (93, 3361730), (155, 2017038), (186, 1680865), (310, 1008519), (379, 824910), (465, 672346), (758, 412455), (887, 352470), (930, 336173), (1137, 274970), (1774, 176235), (1895, 164982), (2274, 137485), (2661, 117490), (3790, 82491), (4435, 70494), (5322, 58745), (5685, 54994), (8870, 35247), (11370, 27497), (11749, 26610), (13305, 23498)]