66883040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 193914000

約数和(自身を除く): 127030960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 449, 490, 532, 560, 608, 665, 760, 784, 898, 931, 980, 1064, 1120, 1330, 1520, 1568, 1796, 1862, 1960, 2128, 2245, 2660, 3040, 3143, 3592, 3724, 3920, 4256, 4490, 4655, 5320, 6286, 7184, 7448, 7840, 8531, 8980, 9310, 10640, 12572, 14368, 14896, 15715, 17062, 17960, 18620, 21280, 22001, 25144, 29792, 31430, 34124, 35920, 37240, 42655, 44002, 50288, 59717, 62860, 68248, 71840, 74480, 85310, 88004, 100576, 110005, 119434, 125720, 136496, 148960, 170620, 176008, 220010, 238868, 251440, 272992, 298585, 341240, 352016, 418019, 440020, 477736, 502880, 597170, 682480, 704032, 836038, 880040, 955472, 1194340, 1364960, 1672076, 1760080, 1910944, 2090095, 2388680, 3344152, 3520160, 4180190, 4777360, 6688304, 8360380, 9554720, 13376608, 16720760, 33441520, 66883040]

約数ペア:

[(1, 66883040), (2, 33441520), (4, 16720760), (5, 13376608), (7, 9554720), (8, 8360380), (10, 6688304), (14, 4777360), (16, 4180190), (19, 3520160), (20, 3344152), (28, 2388680), (32, 2090095), (35, 1910944), (38, 1760080), (40, 1672076), (49, 1364960), (56, 1194340), (70, 955472), (76, 880040), (80, 836038), (95, 704032), (98, 682480), (112, 597170), (133, 502880), (140, 477736), (152, 440020), (160, 418019), (190, 352016), (196, 341240), (224, 298585), (245, 272992), (266, 251440), (280, 238868), (304, 220010), (380, 176008), (392, 170620), (449, 148960), (490, 136496), (532, 125720), (560, 119434), (608, 110005), (665, 100576), (760, 88004), (784, 85310), (898, 74480), (931, 71840), (980, 68248), (1064, 62860), (1120, 59717), (1330, 50288), (1520, 44002), (1568, 42655), (1796, 37240), (1862, 35920), (1960, 34124), (2128, 31430), (2245, 29792), (2660, 25144), (3040, 22001), (3143, 21280), (3592, 18620), (3724, 17960), (3920, 17062), (4256, 15715), (4490, 14896), (4655, 14368), (5320, 12572), (6286, 10640), (7184, 9310), (7448, 8980), (7840, 8531)]