128819040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{5477}}^1$

素因数の和:5509

約数の個数: 144

約数和(自身を含む): 472115952

約数和(自身を除く): 343296912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5477, 5880, 7840, 10954, 11760, 16431, 21908, 23520, 27385, 32862, 38339, 43816, 54770, 65724, 76678, 82155, 87632, 109540, 115017, 131448, 153356, 164310, 175264, 191695, 219080, 230034, 262896, 268373, 306712, 328620, 383390, 438160, 460068, 525792, 536746, 575085, 613424, 657240, 766780, 805119, 876320, 920136, 1073492, 1150170, 1226848, 1314480, 1341865, 1533560, 1610238, 1840272, 2146984, 2300340, 2628960, 2683730, 3067120, 3220476, 3680544, 4025595, 4293968, 4600680, 5367460, 6134240, 6440952, 8051190, 8587936, 9201360, 10734920, 12881904, 16102380, 18402720, 21469840, 25763808, 32204760, 42939680, 64409520, 128819040]

約数ペア:

[(1, 128819040), (2, 64409520), (3, 42939680), (4, 32204760), (5, 25763808), (6, 21469840), (7, 18402720), (8, 16102380), (10, 12881904), (12, 10734920), (14, 9201360), (15, 8587936), (16, 8051190), (20, 6440952), (21, 6134240), (24, 5367460), (28, 4600680), (30, 4293968), (32, 4025595), (35, 3680544), (40, 3220476), (42, 3067120), (48, 2683730), (49, 2628960), (56, 2300340), (60, 2146984), (70, 1840272), (80, 1610238), (84, 1533560), (96, 1341865), (98, 1314480), (105, 1226848), (112, 1150170), (120, 1073492), (140, 920136), (147, 876320), (160, 805119), (168, 766780), (196, 657240), (210, 613424), (224, 575085), (240, 536746), (245, 525792), (280, 460068), (294, 438160), (336, 383390), (392, 328620), (420, 306712), (480, 268373), (490, 262896), (560, 230034), (588, 219080), (672, 191695), (735, 175264), (784, 164310), (840, 153356), (980, 131448), (1120, 115017), (1176, 109540), (1470, 87632), (1568, 82155), (1680, 76678), (1960, 65724), (2352, 54770), (2940, 43816), (3360, 38339), (3920, 32862), (4704, 27385), (5477, 23520), (5880, 21908), (7840, 16431), (10954, 11760)]