1279484480

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:964

約数の個数: 112

約数和(自身を含む): 3196157184

約数和(自身を除く): 1916672704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 263, 320, 368, 460, 526, 661, 736, 920, 1052, 1315, 1322, 1472, 1840, 2104, 2630, 2644, 3305, 3680, 4208, 5260, 5288, 6049, 6610, 7360, 8416, 10520, 10576, 12098, 13220, 15203, 16832, 21040, 21152, 24196, 26440, 30245, 30406, 42080, 42304, 48392, 52880, 60490, 60812, 76015, 84160, 96784, 105760, 120980, 121624, 152030, 173843, 193568, 211520, 241960, 243248, 304060, 347686, 387136, 483920, 486496, 608120, 695372, 869215, 967840, 972992, 1216240, 1390744, 1738430, 1935680, 2432480, 2781488, 3476860, 3998389, 4864960, 5562976, 6953720, 7996778, 11125952, 13907440, 15993556, 19991945, 27814880, 31987112, 39983890, 55629760, 63974224, 79967780, 127948448, 159935560, 255896896, 319871120, 639742240, 1279484480]

約数ペア:

[(1, 1279484480), (2, 639742240), (4, 319871120), (5, 255896896), (8, 159935560), (10, 127948448), (16, 79967780), (20, 63974224), (23, 55629760), (32, 39983890), (40, 31987112), (46, 27814880), (64, 19991945), (80, 15993556), (92, 13907440), (115, 11125952), (160, 7996778), (184, 6953720), (230, 5562976), (263, 4864960), (320, 3998389), (368, 3476860), (460, 2781488), (526, 2432480), (661, 1935680), (736, 1738430), (920, 1390744), (1052, 1216240), (1315, 972992), (1322, 967840), (1472, 869215), (1840, 695372), (2104, 608120), (2630, 486496), (2644, 483920), (3305, 387136), (3680, 347686), (4208, 304060), (5260, 243248), (5288, 241960), (6049, 211520), (6610, 193568), (7360, 173843), (8416, 152030), (10520, 121624), (10576, 120980), (12098, 105760), (13220, 96784), (15203, 84160), (16832, 76015), (21040, 60812), (21152, 60490), (24196, 52880), (26440, 48392), (30245, 42304), (30406, 42080)]