128243040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^2$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 417466224

約数和(自身を除く): 289223184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 71, 80, 96, 106, 120, 142, 159, 160, 212, 213, 240, 265, 284, 318, 355, 424, 426, 480, 530, 568, 636, 710, 795, 848, 852, 1060, 1065, 1136, 1272, 1420, 1590, 1696, 1704, 2120, 2130, 2272, 2544, 2840, 3180, 3408, 3763, 4240, 4260, 5041, 5088, 5680, 6360, 6816, 7526, 8480, 8520, 10082, 11289, 11360, 12720, 15052, 15123, 17040, 18815, 20164, 22578, 25205, 25440, 30104, 30246, 34080, 37630, 40328, 45156, 50410, 56445, 60208, 60492, 75260, 75615, 80656, 90312, 100820, 112890, 120416, 120984, 150520, 151230, 161312, 180624, 201640, 225780, 241968, 267173, 301040, 302460, 361248, 403280, 451560, 483936, 534346, 602080, 604920, 801519, 806560, 903120, 1068692, 1209840, 1335865, 1603038, 1806240, 2137384, 2419680, 2671730, 3206076, 4007595, 4274768, 5343460, 6412152, 8015190, 8549536, 10686920, 12824304, 16030380, 21373840, 25648608, 32060760, 42747680, 64121520, 128243040]

約数ペア:

[(1, 128243040), (2, 64121520), (3, 42747680), (4, 32060760), (5, 25648608), (6, 21373840), (8, 16030380), (10, 12824304), (12, 10686920), (15, 8549536), (16, 8015190), (20, 6412152), (24, 5343460), (30, 4274768), (32, 4007595), (40, 3206076), (48, 2671730), (53, 2419680), (60, 2137384), (71, 1806240), (80, 1603038), (96, 1335865), (106, 1209840), (120, 1068692), (142, 903120), (159, 806560), (160, 801519), (212, 604920), (213, 602080), (240, 534346), (265, 483936), (284, 451560), (318, 403280), (355, 361248), (424, 302460), (426, 301040), (480, 267173), (530, 241968), (568, 225780), (636, 201640), (710, 180624), (795, 161312), (848, 151230), (852, 150520), (1060, 120984), (1065, 120416), (1136, 112890), (1272, 100820), (1420, 90312), (1590, 80656), (1696, 75615), (1704, 75260), (2120, 60492), (2130, 60208), (2272, 56445), (2544, 50410), (2840, 45156), (3180, 40328), (3408, 37630), (3763, 34080), (4240, 30246), (4260, 30104), (5041, 25440), (5088, 25205), (5680, 22578), (6360, 20164), (6816, 18815), (7526, 17040), (8480, 15123), (8520, 15052), (10082, 12720), (11289, 11360)]