19801241040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1683779}}^1$

素因数の和:1683809

約数の個数: 120

約数和(自身を含む): 71405742240

約数和(自身を除く): 51604501200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 1683779, 3367558, 5051337, 6735116, 8418895, 10102674, 11786453, 13470232, 16837790, 20205348, 23572906, 25256685, 26940464, 33675580, 35359359, 40410696, 47145812, 50513370, 58932265, 67351160, 70718718, 80821392, 82505171, 94291624, 101026740, 117864530, 134702320, 141437436, 165010342, 176796795, 188583248, 202053480, 235729060, 247515513, 282874872, 330020684, 353593590, 404106960, 412525855, 471458120, 495031026, 565749744, 660041368, 707187180, 825051710, 942916240, 990062052, 1237577565, 1320082736, 1414374360, 1650103420, 1980124104, 2475155130, 2828748720, 3300206840, 3960248208, 4950310260, 6600413680, 9900620520, 19801241040]

約数ペア:

[(1, 19801241040), (2, 9900620520), (3, 6600413680), (4, 4950310260), (5, 3960248208), (6, 3300206840), (7, 2828748720), (8, 2475155130), (10, 1980124104), (12, 1650103420), (14, 1414374360), (15, 1320082736), (16, 1237577565), (20, 990062052), (21, 942916240), (24, 825051710), (28, 707187180), (30, 660041368), (35, 565749744), (40, 495031026), (42, 471458120), (48, 412525855), (49, 404106960), (56, 353593590), (60, 330020684), (70, 282874872), (80, 247515513), (84, 235729060), (98, 202053480), (105, 188583248), (112, 176796795), (120, 165010342), (140, 141437436), (147, 134702320), (168, 117864530), (196, 101026740), (210, 94291624), (240, 82505171), (245, 80821392), (280, 70718718), (294, 67351160), (336, 58932265), (392, 50513370), (420, 47145812), (490, 40410696), (560, 35359359), (588, 33675580), (735, 26940464), (784, 25256685), (840, 23572906), (980, 20205348), (1176, 16837790), (1470, 13470232), (1680, 11786453), (1960, 10102674), (2352, 8418895), (2940, 6735116), (3920, 5051337), (5880, 3367558), (11760, 1683779)]