19940760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 76265280

約数和(自身を除く): 56324520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 56, 60, 63, 70, 72, 82, 84, 90, 105, 120, 123, 126, 140, 164, 168, 180, 193, 205, 210, 246, 252, 280, 287, 315, 328, 360, 369, 386, 410, 420, 492, 504, 574, 579, 615, 630, 738, 772, 820, 840, 861, 965, 984, 1148, 1158, 1230, 1260, 1351, 1435, 1476, 1544, 1640, 1722, 1737, 1845, 1930, 2296, 2316, 2460, 2520, 2583, 2702, 2870, 2895, 2952, 3444, 3474, 3690, 3860, 4053, 4305, 4632, 4920, 5166, 5404, 5740, 5790, 6755, 6888, 6948, 7380, 7720, 7913, 8106, 8610, 8685, 10332, 10808, 11480, 11580, 12159, 12915, 13510, 13896, 14760, 15826, 16212, 17220, 17370, 20265, 20664, 23160, 23739, 24318, 25830, 27020, 31652, 32424, 34440, 34740, 39565, 40530, 47478, 48636, 51660, 54040, 55391, 60795, 63304, 69480, 71217, 79130, 81060, 94956, 97272, 103320, 110782, 118695, 121590, 142434, 158260, 162120, 166173, 189912, 221564, 237390, 243180, 276955, 284868, 316520, 332346, 356085, 443128, 474780, 486360, 498519, 553910, 569736, 664692, 712170, 830865, 949560, 997038, 1107820, 1329384, 1424340, 1661730, 1994076, 2215640, 2492595, 2848680, 3323460, 3988152, 4985190, 6646920, 9970380, 19940760]

約数ペア:

[(1, 19940760), (2, 9970380), (3, 6646920), (4, 4985190), (5, 3988152), (6, 3323460), (7, 2848680), (8, 2492595), (9, 2215640), (10, 1994076), (12, 1661730), (14, 1424340), (15, 1329384), (18, 1107820), (20, 997038), (21, 949560), (24, 830865), (28, 712170), (30, 664692), (35, 569736), (36, 553910), (40, 498519), (41, 486360), (42, 474780), (45, 443128), (56, 356085), (60, 332346), (63, 316520), (70, 284868), (72, 276955), (82, 243180), (84, 237390), (90, 221564), (105, 189912), (120, 166173), (123, 162120), (126, 158260), (140, 142434), (164, 121590), (168, 118695), (180, 110782), (193, 103320), (205, 97272), (210, 94956), (246, 81060), (252, 79130), (280, 71217), (287, 69480), (315, 63304), (328, 60795), (360, 55391), (369, 54040), (386, 51660), (410, 48636), (420, 47478), (492, 40530), (504, 39565), (574, 34740), (579, 34440), (615, 32424), (630, 31652), (738, 27020), (772, 25830), (820, 24318), (840, 23739), (861, 23160), (965, 20664), (984, 20265), (1148, 17370), (1158, 17220), (1230, 16212), (1260, 15826), (1351, 14760), (1435, 13896), (1476, 13510), (1544, 12915), (1640, 12159), (1722, 11580), (1737, 11480), (1845, 10808), (1930, 10332), (2296, 8685), (2316, 8610), (2460, 8106), (2520, 7913), (2583, 7720), (2702, 7380), (2870, 6948), (2895, 6888), (2952, 6755), (3444, 5790), (3474, 5740), (3690, 5404), (3860, 5166), (4053, 4920), (4305, 4632)]