216651720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78497}}^1$

素因数の和:78534

約数の個数: 64

約数和(自身を含む): 678222720

約数和(自身を除く): 461571000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 78497, 156994, 235491, 313988, 392485, 470982, 627976, 784970, 941964, 1177455, 1569940, 1805431, 1883928, 2354910, 3139880, 3610862, 4709820, 5416293, 7221724, 9027155, 9419640, 10832586, 14443448, 18054310, 21665172, 27081465, 36108620, 43330344, 54162930, 72217240, 108325860, 216651720]

約数ペア:

[(1, 216651720), (2, 108325860), (3, 72217240), (4, 54162930), (5, 43330344), (6, 36108620), (8, 27081465), (10, 21665172), (12, 18054310), (15, 14443448), (20, 10832586), (23, 9419640), (24, 9027155), (30, 7221724), (40, 5416293), (46, 4709820), (60, 3610862), (69, 3139880), (92, 2354910), (115, 1883928), (120, 1805431), (138, 1569940), (184, 1177455), (230, 941964), (276, 784970), (345, 627976), (460, 470982), (552, 392485), (690, 313988), (920, 235491), (1380, 156994), (2760, 78497)]