31090480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 76941504

約数和(自身を除く): 45851024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 61, 80, 92, 115, 122, 184, 230, 244, 277, 305, 368, 460, 488, 554, 610, 920, 976, 1108, 1220, 1385, 1403, 1840, 2216, 2440, 2770, 2806, 4432, 4880, 5540, 5612, 6371, 7015, 11080, 11224, 12742, 14030, 16897, 22160, 22448, 25484, 28060, 31855, 33794, 50968, 56120, 63710, 67588, 84485, 101936, 112240, 127420, 135176, 168970, 254840, 270352, 337940, 388631, 509680, 675880, 777262, 1351760, 1554524, 1943155, 3109048, 3886310, 6218096, 7772620, 15545240, 31090480]

約数ペア:

[(1, 31090480), (2, 15545240), (4, 7772620), (5, 6218096), (8, 3886310), (10, 3109048), (16, 1943155), (20, 1554524), (23, 1351760), (40, 777262), (46, 675880), (61, 509680), (80, 388631), (92, 337940), (115, 270352), (122, 254840), (184, 168970), (230, 135176), (244, 127420), (277, 112240), (305, 101936), (368, 84485), (460, 67588), (488, 63710), (554, 56120), (610, 50968), (920, 33794), (976, 31855), (1108, 28060), (1220, 25484), (1385, 22448), (1403, 22160), (1840, 16897), (2216, 14030), (2440, 12742), (2770, 11224), (2806, 11080), (4432, 7015), (4880, 6371), (5540, 5612)]