128731120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 359405568

約数和(自身を除く): 230674448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 67, 70, 73, 80, 94, 112, 134, 140, 146, 188, 235, 268, 280, 292, 329, 335, 365, 376, 469, 470, 511, 536, 560, 584, 658, 670, 730, 752, 938, 940, 1022, 1072, 1168, 1316, 1340, 1460, 1645, 1876, 1880, 2044, 2345, 2555, 2632, 2680, 2920, 3149, 3290, 3431, 3752, 3760, 4088, 4690, 4891, 5110, 5264, 5360, 5840, 6298, 6580, 6862, 7504, 8176, 9380, 9782, 10220, 12596, 13160, 13724, 15745, 17155, 18760, 19564, 20440, 22043, 24017, 24455, 25192, 26320, 27448, 31490, 34237, 34310, 37520, 39128, 40880, 44086, 48034, 48910, 50384, 54896, 62980, 68474, 68620, 78256, 88172, 96068, 97820, 110215, 120085, 125960, 136948, 137240, 171185, 176344, 192136, 195640, 220430, 229877, 240170, 251920, 273896, 274480, 342370, 352688, 384272, 391280, 440860, 459754, 480340, 547792, 684740, 881720, 919508, 960680, 1149385, 1369480, 1609139, 1763440, 1839016, 1921360, 2298770, 2738960, 3218278, 3678032, 4597540, 6436556, 8045695, 9195080, 12873112, 16091390, 18390160, 25746224, 32182780, 64365560, 128731120]

約数ペア:

[(1, 128731120), (2, 64365560), (4, 32182780), (5, 25746224), (7, 18390160), (8, 16091390), (10, 12873112), (14, 9195080), (16, 8045695), (20, 6436556), (28, 4597540), (35, 3678032), (40, 3218278), (47, 2738960), (56, 2298770), (67, 1921360), (70, 1839016), (73, 1763440), (80, 1609139), (94, 1369480), (112, 1149385), (134, 960680), (140, 919508), (146, 881720), (188, 684740), (235, 547792), (268, 480340), (280, 459754), (292, 440860), (329, 391280), (335, 384272), (365, 352688), (376, 342370), (469, 274480), (470, 273896), (511, 251920), (536, 240170), (560, 229877), (584, 220430), (658, 195640), (670, 192136), (730, 176344), (752, 171185), (938, 137240), (940, 136948), (1022, 125960), (1072, 120085), (1168, 110215), (1316, 97820), (1340, 96068), (1460, 88172), (1645, 78256), (1876, 68620), (1880, 68474), (2044, 62980), (2345, 54896), (2555, 50384), (2632, 48910), (2680, 48034), (2920, 44086), (3149, 40880), (3290, 39128), (3431, 37520), (3752, 34310), (3760, 34237), (4088, 31490), (4690, 27448), (4891, 26320), (5110, 25192), (5264, 24455), (5360, 24017), (5840, 22043), (6298, 20440), (6580, 19564), (6862, 18760), (7504, 17155), (8176, 15745), (9380, 13724), (9782, 13160), (10220, 12596)]