280891590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{251}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 784256256

約数和(自身を除く): 503364666

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 251, 365, 438, 502, 511, 730, 753, 1022, 1095, 1255, 1506, 1533, 1757, 2190, 2510, 2555, 3066, 3514, 3765, 5110, 5271, 5329, 7530, 7665, 8785, 10542, 10658, 15330, 15987, 17570, 18323, 26355, 26645, 31974, 36646, 37303, 52710, 53290, 54969, 74606, 79935, 91615, 109938, 111909, 128261, 159870, 183230, 186515, 223818, 256522, 274845, 373030, 384783, 549690, 559545, 641305, 769566, 1119090, 1282610, 1337579, 1923915, 2675158, 3847830, 4012737, 6687895, 8025474, 9363053, 13375790, 18726106, 20063685, 28089159, 40127370, 46815265, 56178318, 93630530, 140445795, 280891590]

約数ペア:

[(1, 280891590), (2, 140445795), (3, 93630530), (5, 56178318), (6, 46815265), (7, 40127370), (10, 28089159), (14, 20063685), (15, 18726106), (21, 13375790), (30, 9363053), (35, 8025474), (42, 6687895), (70, 4012737), (73, 3847830), (105, 2675158), (146, 1923915), (210, 1337579), (219, 1282610), (251, 1119090), (365, 769566), (438, 641305), (502, 559545), (511, 549690), (730, 384783), (753, 373030), (1022, 274845), (1095, 256522), (1255, 223818), (1506, 186515), (1533, 183230), (1757, 159870), (2190, 128261), (2510, 111909), (2555, 109938), (3066, 91615), (3514, 79935), (3765, 74606), (5110, 54969), (5271, 53290), (5329, 52710), (7530, 37303), (7665, 36646), (8785, 31974), (10542, 26645), (10658, 26355), (15330, 18323), (15987, 17570)]