345804560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2741}}^1$

素因数の和:2856

約数の個数: 80

約数和(自身を含む): 856820160

約数和(自身を除く): 511015600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 83, 95, 152, 166, 190, 304, 332, 380, 415, 664, 760, 830, 1328, 1520, 1577, 1660, 2741, 3154, 3320, 5482, 6308, 6640, 7885, 10964, 12616, 13705, 15770, 21928, 25232, 27410, 31540, 43856, 52079, 54820, 63080, 104158, 109640, 126160, 208316, 219280, 227503, 260395, 416632, 455006, 520790, 833264, 910012, 1041580, 1137515, 1820024, 2083160, 2275030, 3640048, 4166320, 4322557, 4550060, 8645114, 9100120, 17290228, 18200240, 21612785, 34580456, 43225570, 69160912, 86451140, 172902280, 345804560]

約数ペア:

[(1, 345804560), (2, 172902280), (4, 86451140), (5, 69160912), (8, 43225570), (10, 34580456), (16, 21612785), (19, 18200240), (20, 17290228), (38, 9100120), (40, 8645114), (76, 4550060), (80, 4322557), (83, 4166320), (95, 3640048), (152, 2275030), (166, 2083160), (190, 1820024), (304, 1137515), (332, 1041580), (380, 910012), (415, 833264), (664, 520790), (760, 455006), (830, 416632), (1328, 260395), (1520, 227503), (1577, 219280), (1660, 208316), (2741, 126160), (3154, 109640), (3320, 104158), (5482, 63080), (6308, 54820), (6640, 52079), (7885, 43856), (10964, 31540), (12616, 27410), (13705, 25232), (15770, 21928)]