61881960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3203}}^1$

素因数の和:3247

約数の個数: 128

約数和(自身を含む): 221460480

約数和(自身を除く): 159578520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3203, 3220, 3864, 4830, 6406, 6440, 9609, 9660, 12812, 16015, 19218, 19320, 22421, 25624, 32030, 38436, 44842, 48045, 64060, 67263, 73669, 76872, 89684, 96090, 112105, 128120, 134526, 147338, 179368, 192180, 221007, 224210, 269052, 294676, 336315, 368345, 384360, 442014, 448420, 515683, 538104, 589352, 672630, 736690, 884028, 896840, 1031366, 1105035, 1345260, 1473380, 1547049, 1768056, 2062732, 2210070, 2578415, 2690520, 2946760, 3094098, 4125464, 4420140, 5156830, 6188196, 7735245, 8840280, 10313660, 12376392, 15470490, 20627320, 30940980, 61881960]

約数ペア:

[(1, 61881960), (2, 30940980), (3, 20627320), (4, 15470490), (5, 12376392), (6, 10313660), (7, 8840280), (8, 7735245), (10, 6188196), (12, 5156830), (14, 4420140), (15, 4125464), (20, 3094098), (21, 2946760), (23, 2690520), (24, 2578415), (28, 2210070), (30, 2062732), (35, 1768056), (40, 1547049), (42, 1473380), (46, 1345260), (56, 1105035), (60, 1031366), (69, 896840), (70, 884028), (84, 736690), (92, 672630), (105, 589352), (115, 538104), (120, 515683), (138, 448420), (140, 442014), (161, 384360), (168, 368345), (184, 336315), (210, 294676), (230, 269052), (276, 224210), (280, 221007), (322, 192180), (345, 179368), (420, 147338), (460, 134526), (483, 128120), (552, 112105), (644, 96090), (690, 89684), (805, 76872), (840, 73669), (920, 67263), (966, 64060), (1288, 48045), (1380, 44842), (1610, 38436), (1932, 32030), (2415, 25624), (2760, 22421), (3203, 19320), (3220, 19218), (3864, 16015), (4830, 12812), (6406, 9660), (6440, 9609)]