1639641920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1973}}^1$

素因数の和:2057

約数の個数: 168

約数和(自身を含む): 4629890664

約数和(自身を除く): 2990248744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 80, 98, 106, 112, 140, 160, 196, 212, 224, 245, 265, 280, 320, 371, 392, 424, 448, 490, 530, 560, 742, 784, 848, 980, 1060, 1120, 1484, 1568, 1696, 1855, 1960, 1973, 2120, 2240, 2597, 2968, 3136, 3392, 3710, 3920, 3946, 4240, 5194, 5936, 7420, 7840, 7892, 8480, 9865, 10388, 11872, 12985, 13811, 14840, 15680, 15784, 16960, 19730, 20776, 23744, 25970, 27622, 29680, 31568, 39460, 41552, 51940, 55244, 59360, 63136, 69055, 78920, 83104, 96677, 103880, 104569, 110488, 118720, 126272, 138110, 157840, 166208, 193354, 207760, 209138, 220976, 276220, 315680, 386708, 415520, 418276, 441952, 483385, 522845, 552440, 631360, 731983, 773416, 831040, 836552, 883904, 966770, 1045690, 1104880, 1463966, 1546832, 1673104, 1933540, 2091380, 2209760, 2927932, 3093664, 3346208, 3659915, 3867080, 4182760, 4419520, 5123881, 5855864, 6187328, 6692416, 7319830, 7734160, 8365520, 10247762, 11711728, 14639660, 15468320, 16731040, 20495524, 23423456, 25619405, 29279320, 30936640, 33462080, 40991048, 46846912, 51238810, 58558640, 81982096, 102477620, 117117280, 163964192, 204955240, 234234560, 327928384, 409910480, 819820960, 1639641920]

約数ペア:

[(1, 1639641920), (2, 819820960), (4, 409910480), (5, 327928384), (7, 234234560), (8, 204955240), (10, 163964192), (14, 117117280), (16, 102477620), (20, 81982096), (28, 58558640), (32, 51238810), (35, 46846912), (40, 40991048), (49, 33462080), (53, 30936640), (56, 29279320), (64, 25619405), (70, 23423456), (80, 20495524), (98, 16731040), (106, 15468320), (112, 14639660), (140, 11711728), (160, 10247762), (196, 8365520), (212, 7734160), (224, 7319830), (245, 6692416), (265, 6187328), (280, 5855864), (320, 5123881), (371, 4419520), (392, 4182760), (424, 3867080), (448, 3659915), (490, 3346208), (530, 3093664), (560, 2927932), (742, 2209760), (784, 2091380), (848, 1933540), (980, 1673104), (1060, 1546832), (1120, 1463966), (1484, 1104880), (1568, 1045690), (1696, 966770), (1855, 883904), (1960, 836552), (1973, 831040), (2120, 773416), (2240, 731983), (2597, 631360), (2968, 552440), (3136, 522845), (3392, 483385), (3710, 441952), (3920, 418276), (3946, 415520), (4240, 386708), (5194, 315680), (5936, 276220), (7420, 220976), (7840, 209138), (7892, 207760), (8480, 193354), (9865, 166208), (10388, 157840), (11872, 138110), (12985, 126272), (13811, 118720), (14840, 110488), (15680, 104569), (15784, 103880), (16960, 96677), (19730, 83104), (20776, 78920), (23744, 69055), (25970, 63136), (27622, 59360), (29680, 55244), (31568, 51940), (39460, 41552)]