16383640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 46252080

約数和(自身を除く): 29868440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 643, 728, 910, 980, 1274, 1286, 1820, 1960, 2548, 2572, 3185, 3215, 3640, 4501, 5096, 5144, 6370, 6430, 8359, 9002, 12740, 12860, 16718, 18004, 22505, 25480, 25720, 31507, 33436, 36008, 41795, 45010, 58513, 63014, 66872, 83590, 90020, 117026, 126028, 157535, 167180, 180040, 234052, 252056, 292565, 315070, 334360, 409591, 468104, 585130, 630140, 819182, 1170260, 1260280, 1638364, 2047955, 2340520, 3276728, 4095910, 8191820, 16383640]

約数ペア:

[(1, 16383640), (2, 8191820), (4, 4095910), (5, 3276728), (7, 2340520), (8, 2047955), (10, 1638364), (13, 1260280), (14, 1170260), (20, 819182), (26, 630140), (28, 585130), (35, 468104), (40, 409591), (49, 334360), (52, 315070), (56, 292565), (65, 252056), (70, 234052), (91, 180040), (98, 167180), (104, 157535), (130, 126028), (140, 117026), (182, 90020), (196, 83590), (245, 66872), (260, 63014), (280, 58513), (364, 45010), (392, 41795), (455, 36008), (490, 33436), (520, 31507), (637, 25720), (643, 25480), (728, 22505), (910, 18004), (980, 16718), (1274, 12860), (1286, 12740), (1820, 9002), (1960, 8359), (2548, 6430), (2572, 6370), (3185, 5144), (3215, 5096), (3640, 4501)]