169889920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8563}}^1$

素因数の和:8613

約数の個数: 64

約数和(自身を含む): 419293440

約数和(自身を除く): 249403520

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, 8563, 9920, 17126, 19840, 34252, 42815, 68504, 85630, 137008, 171260, 265453, 274016, 342520, 530906, 548032, 685040, 1061812, 1096064, 1327265, 1370080, 2123624, 2654530, 2740160, 4247248, 5309060, 5480320, 8494496, 10618120, 16988992, 21236240, 33977984, 42472480, 84944960, 169889920]

約数ペア:

[(1, 169889920), (2, 84944960), (4, 42472480), (5, 33977984), (8, 21236240), (10, 16988992), (16, 10618120), (20, 8494496), (31, 5480320), (32, 5309060), (40, 4247248), (62, 2740160), (64, 2654530), (80, 2123624), (124, 1370080), (128, 1327265), (155, 1096064), (160, 1061812), (248, 685040), (310, 548032), (320, 530906), (496, 342520), (620, 274016), (640, 265453), (992, 171260), (1240, 137008), (1984, 85630), (2480, 68504), (3968, 42815), (4960, 34252), (8563, 19840), (9920, 17126)]