172118960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 433097280

約数和(自身を除く): 260978320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 359, 461, 520, 718, 922, 1040, 1436, 1795, 1844, 2305, 2872, 3590, 3688, 4610, 4667, 5744, 5993, 7180, 7376, 9220, 9334, 11986, 14360, 18440, 18668, 23335, 23972, 28720, 29965, 36880, 37336, 46670, 47944, 59930, 74672, 93340, 95888, 119860, 165499, 186680, 239720, 330998, 373360, 479440, 661996, 827495, 1323992, 1654990, 2151487, 2647984, 3309980, 4302974, 6619960, 8605948, 10757435, 13239920, 17211896, 21514870, 34423792, 43029740, 86059480, 172118960]

約数ペア:

[(1, 172118960), (2, 86059480), (4, 43029740), (5, 34423792), (8, 21514870), (10, 17211896), (13, 13239920), (16, 10757435), (20, 8605948), (26, 6619960), (40, 4302974), (52, 3309980), (65, 2647984), (80, 2151487), (104, 1654990), (130, 1323992), (208, 827495), (260, 661996), (359, 479440), (461, 373360), (520, 330998), (718, 239720), (922, 186680), (1040, 165499), (1436, 119860), (1795, 95888), (1844, 93340), (2305, 74672), (2872, 59930), (3590, 47944), (3688, 46670), (4610, 37336), (4667, 36880), (5744, 29965), (5993, 28720), (7180, 23972), (7376, 23335), (9220, 18668), (9334, 18440), (11986, 14360)]