2015870480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2017}}^1$

素因数の和:2105

約数の個数: 120

約数和(自身を含む): 5218087896

約数和(自身を除く): 3202217416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 961, 1040, 1240, 1612, 1922, 2015, 2017, 2480, 3224, 3844, 4030, 4034, 4805, 6448, 7688, 8060, 8068, 9610, 10085, 12493, 15376, 16120, 16136, 19220, 20170, 24986, 26221, 32240, 32272, 38440, 40340, 49972, 52442, 62465, 62527, 76880, 80680, 99944, 104884, 124930, 125054, 131105, 161360, 199888, 209768, 249860, 250108, 262210, 312635, 419536, 499720, 500216, 524420, 625270, 812851, 999440, 1000432, 1048840, 1250540, 1625702, 1938337, 2097680, 2501080, 3251404, 3876674, 4064255, 5002160, 6502808, 7753348, 8128510, 9691685, 13005616, 15506696, 16257020, 19383370, 25198381, 31013392, 32514040, 38766740, 50396762, 65028080, 77533480, 100793524, 125991905, 155066960, 201587048, 251983810, 403174096, 503967620, 1007935240, 2015870480]

約数ペア:

[(1, 2015870480), (2, 1007935240), (4, 503967620), (5, 403174096), (8, 251983810), (10, 201587048), (13, 155066960), (16, 125991905), (20, 100793524), (26, 77533480), (31, 65028080), (40, 50396762), (52, 38766740), (62, 32514040), (65, 31013392), (80, 25198381), (104, 19383370), (124, 16257020), (130, 15506696), (155, 13005616), (208, 9691685), (248, 8128510), (260, 7753348), (310, 6502808), (403, 5002160), (496, 4064255), (520, 3876674), (620, 3251404), (806, 2501080), (961, 2097680), (1040, 1938337), (1240, 1625702), (1612, 1250540), (1922, 1048840), (2015, 1000432), (2017, 999440), (2480, 812851), (3224, 625270), (3844, 524420), (4030, 500216), (4034, 499720), (4805, 419536), (6448, 312635), (7688, 262210), (8060, 250108), (8068, 249860), (9610, 209768), (10085, 199888), (12493, 161360), (15376, 131105), (16120, 125054), (16136, 124930), (19220, 104884), (20170, 99944), (24986, 80680), (26221, 76880), (32240, 62527), (32272, 62465), (38440, 52442), (40340, 49972)]