30776720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 78088752

約数和(自身を除く): 47312032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 293, 404, 505, 520, 586, 808, 1010, 1040, 1172, 1313, 1465, 1616, 2020, 2344, 2626, 2930, 3809, 4040, 4688, 5252, 5860, 6565, 7618, 8080, 10504, 11720, 13130, 15236, 19045, 21008, 23440, 26260, 29593, 30472, 38090, 52520, 59186, 60944, 76180, 105040, 118372, 147965, 152360, 236744, 295930, 304720, 384709, 473488, 591860, 769418, 1183720, 1538836, 1923545, 2367440, 3077672, 3847090, 6155344, 7694180, 15388360, 30776720]

約数ペア:

[(1, 30776720), (2, 15388360), (4, 7694180), (5, 6155344), (8, 3847090), (10, 3077672), (13, 2367440), (16, 1923545), (20, 1538836), (26, 1183720), (40, 769418), (52, 591860), (65, 473488), (80, 384709), (101, 304720), (104, 295930), (130, 236744), (202, 152360), (208, 147965), (260, 118372), (293, 105040), (404, 76180), (505, 60944), (520, 59186), (586, 52520), (808, 38090), (1010, 30472), (1040, 29593), (1172, 26260), (1313, 23440), (1465, 21008), (1616, 19045), (2020, 15236), (2344, 13130), (2626, 11720), (2930, 10504), (3809, 8080), (4040, 7618), (4688, 6565), (5252, 5860)]