161974400

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{1033}}^1$

素因数の和:1071

約数の個数: 144

約数和(自身を含む): 465904890

約数和(自身を除く): 303930490

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 896, 980, 1033, 1120, 1225, 1400, 1568, 1600, 1960, 2066, 2240, 2450, 2800, 3136, 3200, 3920, 4132, 4480, 4900, 5165, 5600, 6272, 7231, 7840, 8264, 9800, 10330, 11200, 14462, 15680, 16528, 19600, 20660, 22400, 25825, 28924, 31360, 33056, 36155, 39200, 41320, 50617, 51650, 57848, 66112, 72310, 78400, 82640, 101234, 103300, 115696, 132224, 144620, 156800, 165280, 180775, 202468, 206600, 231392, 253085, 289240, 330560, 361550, 404936, 413200, 462784, 506170, 578480, 661120, 723100, 809872, 826400, 925568, 1012340, 1156960, 1265425, 1446200, 1619744, 1652800, 2024680, 2313920, 2530850, 2892400, 3239488, 3305600, 4049360, 4627840, 5061700, 5784800, 6478976, 8098720, 10123400, 11569600, 16197440, 20246800, 23139200, 32394880, 40493600, 80987200, 161974400]

約数ペア:

[(1, 161974400), (2, 80987200), (4, 40493600), (5, 32394880), (7, 23139200), (8, 20246800), (10, 16197440), (14, 11569600), (16, 10123400), (20, 8098720), (25, 6478976), (28, 5784800), (32, 5061700), (35, 4627840), (40, 4049360), (49, 3305600), (50, 3239488), (56, 2892400), (64, 2530850), (70, 2313920), (80, 2024680), (98, 1652800), (100, 1619744), (112, 1446200), (128, 1265425), (140, 1156960), (160, 1012340), (175, 925568), (196, 826400), (200, 809872), (224, 723100), (245, 661120), (280, 578480), (320, 506170), (350, 462784), (392, 413200), (400, 404936), (448, 361550), (490, 330560), (560, 289240), (640, 253085), (700, 231392), (784, 206600), (800, 202468), (896, 180775), (980, 165280), (1033, 156800), (1120, 144620), (1225, 132224), (1400, 115696), (1568, 103300), (1600, 101234), (1960, 82640), (2066, 78400), (2240, 72310), (2450, 66112), (2800, 57848), (3136, 51650), (3200, 50617), (3920, 41320), (4132, 39200), (4480, 36155), (4900, 33056), (5165, 31360), (5600, 28924), (6272, 25825), (7231, 22400), (7840, 20660), (8264, 19600), (9800, 16528), (10330, 15680), (11200, 14462)]