72843160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2068

約数の個数: 64

約数和(自身を含む): 179081280

約数和(自身を除く): 106238120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 1973, 2840, 3692, 3946, 4615, 7384, 7892, 9230, 9865, 15784, 18460, 19730, 25649, 36920, 39460, 51298, 78920, 102596, 128245, 140083, 205192, 256490, 280166, 512980, 560332, 700415, 1025960, 1120664, 1400830, 1821079, 2801660, 3642158, 5603320, 7284316, 9105395, 14568632, 18210790, 36421580, 72843160]

約数ペア:

[(1, 72843160), (2, 36421580), (4, 18210790), (5, 14568632), (8, 9105395), (10, 7284316), (13, 5603320), (20, 3642158), (26, 2801660), (40, 1821079), (52, 1400830), (65, 1120664), (71, 1025960), (104, 700415), (130, 560332), (142, 512980), (260, 280166), (284, 256490), (355, 205192), (520, 140083), (568, 128245), (710, 102596), (923, 78920), (1420, 51298), (1846, 39460), (1973, 36920), (2840, 25649), (3692, 19730), (3946, 18460), (4615, 15784), (7384, 9865), (7892, 9230)]