2080890720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20353}}^1$

素因数の和:20445

約数の個数: 144

約数和(自身を含む): 7201408032

約数和(自身を除く): 5120517312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1440, 1704, 2130, 2272, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 6816, 8520, 10224, 11360, 12780, 17040, 20353, 20448, 25560, 34080, 40706, 51120, 61059, 81412, 101765, 102240, 122118, 162824, 183177, 203530, 244236, 305295, 325648, 366354, 407060, 488472, 610590, 651296, 732708, 814120, 915885, 976944, 1221180, 1445063, 1465416, 1628240, 1831770, 1953888, 2442360, 2890126, 2930832, 3256480, 3663540, 4335189, 4884720, 5780252, 5861664, 7225315, 7327080, 8670378, 9769440, 11560504, 13005567, 14450630, 14654160, 17340756, 21675945, 23121008, 26011134, 28901260, 29308320, 34681512, 43351890, 46242016, 52022268, 57802520, 65027835, 69363024, 86703780, 104044536, 115605040, 130055670, 138726048, 173407560, 208089072, 231210080, 260111340, 346815120, 416178144, 520222680, 693630240, 1040445360, 2080890720]

約数ペア:

[(1, 2080890720), (2, 1040445360), (3, 693630240), (4, 520222680), (5, 416178144), (6, 346815120), (8, 260111340), (9, 231210080), (10, 208089072), (12, 173407560), (15, 138726048), (16, 130055670), (18, 115605040), (20, 104044536), (24, 86703780), (30, 69363024), (32, 65027835), (36, 57802520), (40, 52022268), (45, 46242016), (48, 43351890), (60, 34681512), (71, 29308320), (72, 28901260), (80, 26011134), (90, 23121008), (96, 21675945), (120, 17340756), (142, 14654160), (144, 14450630), (160, 13005567), (180, 11560504), (213, 9769440), (240, 8670378), (284, 7327080), (288, 7225315), (355, 5861664), (360, 5780252), (426, 4884720), (480, 4335189), (568, 3663540), (639, 3256480), (710, 2930832), (720, 2890126), (852, 2442360), (1065, 1953888), (1136, 1831770), (1278, 1628240), (1420, 1465416), (1440, 1445063), (1704, 1221180), (2130, 976944), (2272, 915885), (2556, 814120), (2840, 732708), (3195, 651296), (3408, 610590), (4260, 488472), (5112, 407060), (5680, 366354), (6390, 325648), (6816, 305295), (8520, 244236), (10224, 203530), (11360, 183177), (12780, 162824), (17040, 122118), (20353, 102240), (20448, 101765), (25560, 81412), (34080, 61059), (40706, 51120)]