130161920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 363014400

約数和(自身を除く): 232852480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 199, 224, 256, 280, 292, 320, 365, 398, 448, 511, 560, 584, 640, 730, 796, 896, 995, 1022, 1120, 1168, 1280, 1393, 1460, 1592, 1792, 1990, 2044, 2240, 2336, 2555, 2786, 2920, 3184, 3980, 4088, 4480, 4672, 5110, 5572, 5840, 6368, 6965, 7960, 8176, 8960, 9344, 10220, 11144, 11680, 12736, 13930, 14527, 15920, 16352, 18688, 20440, 22288, 23360, 25472, 27860, 29054, 31840, 32704, 40880, 44576, 46720, 50944, 55720, 58108, 63680, 65408, 72635, 81760, 89152, 93440, 101689, 111440, 116216, 127360, 130816, 145270, 163520, 178304, 203378, 222880, 232432, 254720, 290540, 327040, 356608, 406756, 445760, 464864, 508445, 581080, 654080, 813512, 891520, 929728, 1016890, 1162160, 1627024, 1783040, 1859456, 2033780, 2324320, 3254048, 3718912, 4067560, 4648640, 6508096, 8135120, 9297280, 13016192, 16270240, 18594560, 26032384, 32540480, 65080960, 130161920]

約数ペア:

[(1, 130161920), (2, 65080960), (4, 32540480), (5, 26032384), (7, 18594560), (8, 16270240), (10, 13016192), (14, 9297280), (16, 8135120), (20, 6508096), (28, 4648640), (32, 4067560), (35, 3718912), (40, 3254048), (56, 2324320), (64, 2033780), (70, 1859456), (73, 1783040), (80, 1627024), (112, 1162160), (128, 1016890), (140, 929728), (146, 891520), (160, 813512), (199, 654080), (224, 581080), (256, 508445), (280, 464864), (292, 445760), (320, 406756), (365, 356608), (398, 327040), (448, 290540), (511, 254720), (560, 232432), (584, 222880), (640, 203378), (730, 178304), (796, 163520), (896, 145270), (995, 130816), (1022, 127360), (1120, 116216), (1168, 111440), (1280, 101689), (1393, 93440), (1460, 89152), (1592, 81760), (1792, 72635), (1990, 65408), (2044, 63680), (2240, 58108), (2336, 55720), (2555, 50944), (2786, 46720), (2920, 44576), (3184, 40880), (3980, 32704), (4088, 31840), (4480, 29054), (4672, 27860), (5110, 25472), (5572, 23360), (5840, 22288), (6368, 20440), (6965, 18688), (7960, 16352), (8176, 15920), (8960, 14527), (9344, 13930), (10220, 12736), (11144, 11680)]