128455040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 358240320

約数和(自身を除く): 229785280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 541, 560, 640, 742, 848, 896, 1060, 1082, 1120, 1484, 1696, 1855, 2120, 2164, 2240, 2705, 2968, 3392, 3710, 3787, 4240, 4328, 4480, 5410, 5936, 6784, 7420, 7574, 8480, 8656, 10820, 11872, 14840, 15148, 16960, 17312, 18935, 21640, 23744, 28673, 29680, 30296, 33920, 34624, 37870, 43280, 47488, 57346, 59360, 60592, 69248, 75740, 86560, 114692, 118720, 121184, 143365, 151480, 173120, 200711, 229384, 237440, 242368, 286730, 302960, 346240, 401422, 458768, 484736, 573460, 605920, 802844, 917536, 1003555, 1146920, 1211840, 1605688, 1835072, 2007110, 2293840, 2423680, 3211376, 3670144, 4014220, 4587680, 6422752, 8028440, 9175360, 12845504, 16056880, 18350720, 25691008, 32113760, 64227520, 128455040]

約数ペア:

[(1, 128455040), (2, 64227520), (4, 32113760), (5, 25691008), (7, 18350720), (8, 16056880), (10, 12845504), (14, 9175360), (16, 8028440), (20, 6422752), (28, 4587680), (32, 4014220), (35, 3670144), (40, 3211376), (53, 2423680), (56, 2293840), (64, 2007110), (70, 1835072), (80, 1605688), (106, 1211840), (112, 1146920), (128, 1003555), (140, 917536), (160, 802844), (212, 605920), (224, 573460), (265, 484736), (280, 458768), (320, 401422), (371, 346240), (424, 302960), (448, 286730), (530, 242368), (541, 237440), (560, 229384), (640, 200711), (742, 173120), (848, 151480), (896, 143365), (1060, 121184), (1082, 118720), (1120, 114692), (1484, 86560), (1696, 75740), (1855, 69248), (2120, 60592), (2164, 59360), (2240, 57346), (2705, 47488), (2968, 43280), (3392, 37870), (3710, 34624), (3787, 33920), (4240, 30296), (4328, 29680), (4480, 28673), (5410, 23744), (5936, 21640), (6784, 18935), (7420, 17312), (7574, 16960), (8480, 15148), (8656, 14840), (10820, 11872)]