65280240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1367

約数の個数: 120

約数和(自身を含む): 222494688

約数和(自身を除く): 157214448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1277, 1278, 1420, 1704, 2130, 2554, 2556, 2840, 3195, 3408, 3831, 4260, 5108, 5112, 5680, 6385, 6390, 7662, 8520, 10216, 10224, 11493, 12770, 12780, 15324, 17040, 19155, 20432, 22986, 25540, 25560, 30648, 38310, 45972, 51080, 51120, 57465, 61296, 76620, 90667, 91944, 102160, 114930, 153240, 181334, 183888, 229860, 272001, 306480, 362668, 453335, 459720, 544002, 725336, 816003, 906670, 919440, 1088004, 1360005, 1450672, 1632006, 1813340, 2176008, 2720010, 3264012, 3626680, 4080015, 4352016, 5440020, 6528024, 7253360, 8160030, 10880040, 13056048, 16320060, 21760080, 32640120, 65280240]

約数ペア:

[(1, 65280240), (2, 32640120), (3, 21760080), (4, 16320060), (5, 13056048), (6, 10880040), (8, 8160030), (9, 7253360), (10, 6528024), (12, 5440020), (15, 4352016), (16, 4080015), (18, 3626680), (20, 3264012), (24, 2720010), (30, 2176008), (36, 1813340), (40, 1632006), (45, 1450672), (48, 1360005), (60, 1088004), (71, 919440), (72, 906670), (80, 816003), (90, 725336), (120, 544002), (142, 459720), (144, 453335), (180, 362668), (213, 306480), (240, 272001), (284, 229860), (355, 183888), (360, 181334), (426, 153240), (568, 114930), (639, 102160), (710, 91944), (720, 90667), (852, 76620), (1065, 61296), (1136, 57465), (1277, 51120), (1278, 51080), (1420, 45972), (1704, 38310), (2130, 30648), (2554, 25560), (2556, 25540), (2840, 22986), (3195, 20432), (3408, 19155), (3831, 17040), (4260, 15324), (5108, 12780), (5112, 12770), (5680, 11493), (6385, 10224), (6390, 10216), (7662, 8520)]