178113920

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 446148000

約数和(自身を除く): 268034080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 59, 64, 80, 89, 106, 118, 128, 160, 178, 212, 236, 265, 295, 320, 356, 424, 445, 472, 530, 590, 640, 712, 848, 890, 944, 1060, 1180, 1424, 1696, 1780, 1888, 2120, 2360, 2848, 3127, 3392, 3560, 3776, 4240, 4717, 4720, 5251, 5696, 6254, 6784, 7120, 7552, 8480, 9434, 9440, 10502, 11392, 12508, 14240, 15635, 16960, 18868, 18880, 21004, 23585, 25016, 26255, 28480, 31270, 33920, 37736, 37760, 42008, 47170, 50032, 52510, 56960, 62540, 75472, 84016, 94340, 100064, 105020, 125080, 150944, 168032, 188680, 200128, 210040, 250160, 278303, 301888, 336064, 377360, 400256, 420080, 500320, 556606, 603776, 672128, 754720, 840160, 1000640, 1113212, 1391515, 1509440, 1680320, 2001280, 2226424, 2783030, 3018880, 3360640, 4452848, 5566060, 8905696, 11132120, 17811392, 22264240, 35622784, 44528480, 89056960, 178113920]

約数ペア:

[(1, 178113920), (2, 89056960), (4, 44528480), (5, 35622784), (8, 22264240), (10, 17811392), (16, 11132120), (20, 8905696), (32, 5566060), (40, 4452848), (53, 3360640), (59, 3018880), (64, 2783030), (80, 2226424), (89, 2001280), (106, 1680320), (118, 1509440), (128, 1391515), (160, 1113212), (178, 1000640), (212, 840160), (236, 754720), (265, 672128), (295, 603776), (320, 556606), (356, 500320), (424, 420080), (445, 400256), (472, 377360), (530, 336064), (590, 301888), (640, 278303), (712, 250160), (848, 210040), (890, 200128), (944, 188680), (1060, 168032), (1180, 150944), (1424, 125080), (1696, 105020), (1780, 100064), (1888, 94340), (2120, 84016), (2360, 75472), (2848, 62540), (3127, 56960), (3392, 52510), (3560, 50032), (3776, 47170), (4240, 42008), (4717, 37760), (4720, 37736), (5251, 33920), (5696, 31270), (6254, 28480), (6784, 26255), (7120, 25016), (7552, 23585), (8480, 21004), (9434, 18880), (9440, 18868), (10502, 16960), (11392, 15635), (12508, 14240)]