516171520

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 1311266880

約数和(自身を除く): 795095360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 197, 230, 256, 320, 356, 368, 394, 445, 460, 640, 712, 736, 788, 890, 920, 985, 1280, 1424, 1472, 1576, 1780, 1840, 1970, 2047, 2848, 2944, 3152, 3560, 3680, 3940, 4094, 4531, 5696, 5888, 6304, 7120, 7360, 7880, 8188, 9062, 10235, 11392, 12608, 14240, 14720, 15760, 16376, 17533, 18124, 20470, 22655, 22784, 25216, 28480, 29440, 31520, 32752, 35066, 36248, 40940, 45310, 50432, 56960, 63040, 65504, 70132, 72496, 81880, 87665, 90620, 113920, 126080, 131008, 140264, 144992, 163760, 175330, 181240, 252160, 262016, 280528, 289984, 327520, 350660, 362480, 403259, 524032, 561056, 579968, 655040, 701320, 724960, 806518, 1122112, 1159936, 1310080, 1402640, 1449920, 1613036, 2016295, 2244224, 2620160, 2805280, 2899840, 3226072, 4032590, 4488448, 5610560, 5799680, 6452144, 8065180, 11221120, 12904288, 16130360, 22442240, 25808576, 32260720, 51617152, 64521440, 103234304, 129042880, 258085760, 516171520]

約数ペア:

[(1, 516171520), (2, 258085760), (4, 129042880), (5, 103234304), (8, 64521440), (10, 51617152), (16, 32260720), (20, 25808576), (23, 22442240), (32, 16130360), (40, 12904288), (46, 11221120), (64, 8065180), (80, 6452144), (89, 5799680), (92, 5610560), (115, 4488448), (128, 4032590), (160, 3226072), (178, 2899840), (184, 2805280), (197, 2620160), (230, 2244224), (256, 2016295), (320, 1613036), (356, 1449920), (368, 1402640), (394, 1310080), (445, 1159936), (460, 1122112), (640, 806518), (712, 724960), (736, 701320), (788, 655040), (890, 579968), (920, 561056), (985, 524032), (1280, 403259), (1424, 362480), (1472, 350660), (1576, 327520), (1780, 289984), (1840, 280528), (1970, 262016), (2047, 252160), (2848, 181240), (2944, 175330), (3152, 163760), (3560, 144992), (3680, 140264), (3940, 131008), (4094, 126080), (4531, 113920), (5696, 90620), (5888, 87665), (6304, 81880), (7120, 72496), (7360, 70132), (7880, 65504), (8188, 63040), (9062, 56960), (10235, 50432), (11392, 45310), (12608, 40940), (14240, 36248), (14720, 35066), (15760, 32752), (16376, 31520), (17533, 29440), (18124, 28480), (20470, 25216), (22655, 22784)]