161637280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 144

約数和(自身を含む): 453758760

約数和(自身を除く): 292121480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 160, 196, 212, 224, 245, 265, 280, 371, 389, 392, 424, 490, 530, 560, 742, 778, 784, 848, 980, 1060, 1120, 1484, 1556, 1568, 1696, 1855, 1945, 1960, 2120, 2597, 2723, 2968, 3112, 3710, 3890, 3920, 4240, 5194, 5446, 5936, 6224, 7420, 7780, 7840, 8480, 10388, 10892, 11872, 12448, 12985, 13615, 14840, 15560, 19061, 20617, 20776, 21784, 25970, 27230, 29680, 31120, 38122, 41234, 41552, 43568, 51940, 54460, 59360, 62240, 76244, 82468, 83104, 87136, 95305, 103085, 103880, 108920, 144319, 152488, 164936, 190610, 206170, 207760, 217840, 288638, 304976, 329872, 381220, 412340, 415520, 435680, 577276, 609952, 659744, 721595, 762440, 824680, 1010233, 1154552, 1443190, 1524880, 1649360, 2020466, 2309104, 2886380, 3049760, 3298720, 4040932, 4618208, 5051165, 5772760, 8081864, 10102330, 11545520, 16163728, 20204660, 23091040, 32327456, 40409320, 80818640, 161637280]

約数ペア:

[(1, 161637280), (2, 80818640), (4, 40409320), (5, 32327456), (7, 23091040), (8, 20204660), (10, 16163728), (14, 11545520), (16, 10102330), (20, 8081864), (28, 5772760), (32, 5051165), (35, 4618208), (40, 4040932), (49, 3298720), (53, 3049760), (56, 2886380), (70, 2309104), (80, 2020466), (98, 1649360), (106, 1524880), (112, 1443190), (140, 1154552), (160, 1010233), (196, 824680), (212, 762440), (224, 721595), (245, 659744), (265, 609952), (280, 577276), (371, 435680), (389, 415520), (392, 412340), (424, 381220), (490, 329872), (530, 304976), (560, 288638), (742, 217840), (778, 207760), (784, 206170), (848, 190610), (980, 164936), (1060, 152488), (1120, 144319), (1484, 108920), (1556, 103880), (1568, 103085), (1696, 95305), (1855, 87136), (1945, 83104), (1960, 82468), (2120, 76244), (2597, 62240), (2723, 59360), (2968, 54460), (3112, 51940), (3710, 43568), (3890, 41552), (3920, 41234), (4240, 38122), (5194, 31120), (5446, 29680), (5936, 27230), (6224, 25970), (7420, 21784), (7780, 20776), (7840, 20617), (8480, 19061), (10388, 15560), (10892, 14840), (11872, 13615), (12448, 12985)]