128828880

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{47}}^2$

素因数の和:125

約数の個数: 210

約数和(自身を含む): 458843586

約数和(自身を除く): 330014706

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 108, 120, 135, 141, 144, 162, 180, 188, 216, 235, 240, 243, 270, 282, 324, 360, 376, 405, 423, 432, 470, 486, 540, 564, 648, 705, 720, 729, 752, 810, 846, 940, 972, 1080, 1128, 1215, 1269, 1296, 1410, 1458, 1620, 1692, 1880, 1944, 2115, 2160, 2209, 2256, 2430, 2538, 2820, 2916, 3240, 3384, 3645, 3760, 3807, 3888, 4230, 4418, 4860, 5076, 5640, 5832, 6345, 6480, 6627, 6768, 7290, 7614, 8460, 8836, 9720, 10152, 11045, 11280, 11421, 11664, 12690, 13254, 14580, 15228, 16920, 17672, 19035, 19440, 19881, 20304, 22090, 22842, 25380, 26508, 29160, 30456, 33135, 33840, 34263, 35344, 38070, 39762, 44180, 45684, 50760, 53016, 57105, 58320, 59643, 60912, 66270, 68526, 76140, 79524, 88360, 91368, 99405, 101520, 106032, 114210, 119286, 132540, 137052, 152280, 159048, 171315, 176720, 178929, 182736, 198810, 228420, 238572, 265080, 274104, 298215, 304560, 318096, 342630, 357858, 397620, 456840, 477144, 530160, 536787, 548208, 596430, 685260, 715716, 795240, 894645, 913680, 954288, 1073574, 1192860, 1370520, 1431432, 1590480, 1610361, 1789290, 2147148, 2385720, 2683935, 2741040, 2862864, 3220722, 3578580, 4294296, 4771440, 5367870, 6441444, 7157160, 8051805, 8588592, 10735740, 12882888, 14314320, 16103610, 21471480, 25765776, 32207220, 42942960, 64414440, 128828880]

約数ペア:

[(1, 128828880), (2, 64414440), (3, 42942960), (4, 32207220), (5, 25765776), (6, 21471480), (8, 16103610), (9, 14314320), (10, 12882888), (12, 10735740), (15, 8588592), (16, 8051805), (18, 7157160), (20, 6441444), (24, 5367870), (27, 4771440), (30, 4294296), (36, 3578580), (40, 3220722), (45, 2862864), (47, 2741040), (48, 2683935), (54, 2385720), (60, 2147148), (72, 1789290), (80, 1610361), (81, 1590480), (90, 1431432), (94, 1370520), (108, 1192860), (120, 1073574), (135, 954288), (141, 913680), (144, 894645), (162, 795240), (180, 715716), (188, 685260), (216, 596430), (235, 548208), (240, 536787), (243, 530160), (270, 477144), (282, 456840), (324, 397620), (360, 357858), (376, 342630), (405, 318096), (423, 304560), (432, 298215), (470, 274104), (486, 265080), (540, 238572), (564, 228420), (648, 198810), (705, 182736), (720, 178929), (729, 176720), (752, 171315), (810, 159048), (846, 152280), (940, 137052), (972, 132540), (1080, 119286), (1128, 114210), (1215, 106032), (1269, 101520), (1296, 99405), (1410, 91368), (1458, 88360), (1620, 79524), (1692, 76140), (1880, 68526), (1944, 66270), (2115, 60912), (2160, 59643), (2209, 58320), (2256, 57105), (2430, 53016), (2538, 50760), (2820, 45684), (2916, 44180), (3240, 39762), (3384, 38070), (3645, 35344), (3760, 34263), (3807, 33840), (3888, 33135), (4230, 30456), (4418, 29160), (4860, 26508), (5076, 25380), (5640, 22842), (5832, 22090), (6345, 20304), (6480, 19881), (6627, 19440), (6768, 19035), (7290, 17672), (7614, 16920), (8460, 15228), (8836, 14580), (9720, 13254), (10152, 12690), (11045, 11664), (11280, 11421)]