74183720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 180714240

約数和(自身を除く): 106530520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 331, 431, 520, 662, 862, 1324, 1655, 1724, 2155, 2648, 3310, 3448, 4303, 4310, 5603, 6620, 8606, 8620, 11206, 13240, 17212, 17240, 21515, 22412, 28015, 34424, 43030, 44824, 56030, 86060, 112060, 142661, 172120, 224120, 285322, 570644, 713305, 1141288, 1426610, 1854593, 2853220, 3709186, 5706440, 7418372, 9272965, 14836744, 18545930, 37091860, 74183720]

約数ペア:

[(1, 74183720), (2, 37091860), (4, 18545930), (5, 14836744), (8, 9272965), (10, 7418372), (13, 5706440), (20, 3709186), (26, 2853220), (40, 1854593), (52, 1426610), (65, 1141288), (104, 713305), (130, 570644), (260, 285322), (331, 224120), (431, 172120), (520, 142661), (662, 112060), (862, 86060), (1324, 56030), (1655, 44824), (1724, 43030), (2155, 34424), (2648, 28015), (3310, 22412), (3448, 21515), (4303, 17240), (4310, 17212), (5603, 13240), (6620, 11206), (8606, 8620)]