30811840

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1319}}^1$

素因数の和:1409

約数の個数: 56

約数和(自身を含む): 74432160

約数和(自身を除く): 43620320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 146, 160, 292, 320, 365, 584, 730, 1168, 1319, 1460, 2336, 2638, 2920, 4672, 5276, 5840, 6595, 10552, 11680, 13190, 21104, 23360, 26380, 42208, 52760, 84416, 96287, 105520, 192574, 211040, 385148, 422080, 481435, 770296, 962870, 1540592, 1925740, 3081184, 3851480, 6162368, 7702960, 15405920, 30811840]

約数ペア:

[(1, 30811840), (2, 15405920), (4, 7702960), (5, 6162368), (8, 3851480), (10, 3081184), (16, 1925740), (20, 1540592), (32, 962870), (40, 770296), (64, 481435), (73, 422080), (80, 385148), (146, 211040), (160, 192574), (292, 105520), (320, 96287), (365, 84416), (584, 52760), (730, 42208), (1168, 26380), (1319, 23360), (1460, 21104), (2336, 13190), (2638, 11680), (2920, 10552), (4672, 6595), (5276, 5840)]