168659840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8501}}^1$

素因数の和:8551

約数の個数: 64

約数和(自身を含む): 416257920

約数和(自身を除く): 247598080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 8501, 9920, 17002, 19840, 34004, 42505, 68008, 85010, 136016, 170020, 263531, 272032, 340040, 527062, 544064, 680080, 1054124, 1088128, 1317655, 1360160, 2108248, 2635310, 2720320, 4216496, 5270620, 5440640, 8432992, 10541240, 16865984, 21082480, 33731968, 42164960, 84329920, 168659840]

約数ペア:

[(1, 168659840), (2, 84329920), (4, 42164960), (5, 33731968), (8, 21082480), (10, 16865984), (16, 10541240), (20, 8432992), (31, 5440640), (32, 5270620), (40, 4216496), (62, 2720320), (64, 2635310), (80, 2108248), (124, 1360160), (128, 1317655), (155, 1088128), (160, 1054124), (248, 680080), (310, 544064), (320, 527062), (496, 340040), (620, 272032), (640, 263531), (992, 170020), (1240, 136016), (1984, 85010), (2480, 68008), (3968, 42505), (4960, 34004), (8501, 19840), (9920, 17002)]