252756840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1259}}^1$

素因数の和:1519

約数の個数: 128

約数和(自身を含む): 870912000

約数和(自身を除く): 618155160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 717, 840, 956, 1195, 1259, 1434, 1673, 1912, 2390, 2518, 2868, 3346, 3585, 3777, 4780, 5019, 5036, 5736, 6295, 6692, 7170, 7554, 8365, 8813, 9560, 10038, 10072, 12590, 13384, 14340, 15108, 16730, 17626, 18885, 20076, 25095, 25180, 26439, 28680, 30216, 33460, 35252, 37770, 40152, 44065, 50190, 50360, 52878, 66920, 70504, 75540, 88130, 100380, 105756, 132195, 151080, 176260, 200760, 211512, 264390, 300901, 352520, 528780, 601802, 902703, 1057560, 1203604, 1504505, 1805406, 2106307, 2407208, 3009010, 3610812, 4212614, 4513515, 6018020, 6318921, 7221624, 8425228, 9027030, 10531535, 12036040, 12637842, 16850456, 18054060, 21063070, 25275684, 31594605, 36108120, 42126140, 50551368, 63189210, 84252280, 126378420, 252756840]

約数ペア:

[(1, 252756840), (2, 126378420), (3, 84252280), (4, 63189210), (5, 50551368), (6, 42126140), (7, 36108120), (8, 31594605), (10, 25275684), (12, 21063070), (14, 18054060), (15, 16850456), (20, 12637842), (21, 12036040), (24, 10531535), (28, 9027030), (30, 8425228), (35, 7221624), (40, 6318921), (42, 6018020), (56, 4513515), (60, 4212614), (70, 3610812), (84, 3009010), (105, 2407208), (120, 2106307), (140, 1805406), (168, 1504505), (210, 1203604), (239, 1057560), (280, 902703), (420, 601802), (478, 528780), (717, 352520), (840, 300901), (956, 264390), (1195, 211512), (1259, 200760), (1434, 176260), (1673, 151080), (1912, 132195), (2390, 105756), (2518, 100380), (2868, 88130), (3346, 75540), (3585, 70504), (3777, 66920), (4780, 52878), (5019, 50360), (5036, 50190), (5736, 44065), (6295, 40152), (6692, 37770), (7170, 35252), (7554, 33460), (8365, 30216), (8813, 28680), (9560, 26439), (10038, 25180), (10072, 25095), (12590, 20076), (13384, 18885), (14340, 17626), (15108, 16730)]