191808120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{587}}^1$

素因数の和:997

約数の個数: 128

約数和(自身を含む): 660441600

約数和(自身を除く): 468633480

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, 280, 389, 420, 587, 778, 840, 1167, 1174, 1556, 1761, 1945, 2334, 2348, 2723, 2935, 3112, 3522, 3890, 4109, 4668, 4696, 5446, 5835, 5870, 7044, 7780, 8169, 8218, 8805, 9336, 10892, 11670, 11740, 12327, 13615, 14088, 15560, 16338, 16436, 17610, 20545, 21784, 23340, 23480, 24654, 27230, 32676, 32872, 35220, 40845, 41090, 46680, 49308, 54460, 61635, 65352, 70440, 81690, 82180, 98616, 108920, 123270, 163380, 164360, 228343, 246540, 326760, 456686, 493080, 685029, 913372, 1141715, 1370058, 1598401, 1826744, 2283430, 2740116, 3196802, 3425145, 4566860, 4795203, 5480232, 6393604, 6850290, 7992005, 9133720, 9590406, 12787208, 13700580, 15984010, 19180812, 23976015, 27401160, 31968020, 38361624, 47952030, 63936040, 95904060, 191808120]

約数ペア:

[(1, 191808120), (2, 95904060), (3, 63936040), (4, 47952030), (5, 38361624), (6, 31968020), (7, 27401160), (8, 23976015), (10, 19180812), (12, 15984010), (14, 13700580), (15, 12787208), (20, 9590406), (21, 9133720), (24, 7992005), (28, 6850290), (30, 6393604), (35, 5480232), (40, 4795203), (42, 4566860), (56, 3425145), (60, 3196802), (70, 2740116), (84, 2283430), (105, 1826744), (120, 1598401), (140, 1370058), (168, 1141715), (210, 913372), (280, 685029), (389, 493080), (420, 456686), (587, 326760), (778, 246540), (840, 228343), (1167, 164360), (1174, 163380), (1556, 123270), (1761, 108920), (1945, 98616), (2334, 82180), (2348, 81690), (2723, 70440), (2935, 65352), (3112, 61635), (3522, 54460), (3890, 49308), (4109, 46680), (4668, 41090), (4696, 40845), (5446, 35220), (5835, 32872), (5870, 32676), (7044, 27230), (7780, 24654), (8169, 23480), (8218, 23340), (8805, 21784), (9336, 20545), (10892, 17610), (11670, 16436), (11740, 16338), (12327, 15560), (13615, 14088)]