420512000

素因数分解:

$2^8\times 5^3\times {\mathrm{17}}^1\times {\mathrm{773}}^1$

素因数の和:821

約数の個数: 144

約数和(自身を含む): 1110603312

約数和(自身を除く): 690091312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 128, 136, 160, 170, 200, 250, 256, 272, 320, 340, 400, 425, 500, 544, 640, 680, 773, 800, 850, 1000, 1088, 1280, 1360, 1546, 1600, 1700, 2000, 2125, 2176, 2720, 3092, 3200, 3400, 3865, 4000, 4250, 4352, 5440, 6184, 6400, 6800, 7730, 8000, 8500, 10880, 12368, 13141, 13600, 15460, 16000, 17000, 19325, 21760, 24736, 26282, 27200, 30920, 32000, 34000, 38650, 49472, 52564, 54400, 61840, 65705, 68000, 77300, 96625, 98944, 105128, 108800, 123680, 131410, 136000, 154600, 193250, 197888, 210256, 247360, 262820, 272000, 309200, 328525, 386500, 420512, 494720, 525640, 544000, 618400, 657050, 773000, 841024, 989440, 1051280, 1236800, 1314100, 1546000, 1642625, 1682048, 2102560, 2473600, 2628200, 3092000, 3285250, 3364096, 4205120, 4947200, 5256400, 6184000, 6570500, 8410240, 10512800, 12368000, 13141000, 16820480, 21025600, 24736000, 26282000, 42051200, 52564000, 84102400, 105128000, 210256000, 420512000]

約数ペア:

[(1, 420512000), (2, 210256000), (4, 105128000), (5, 84102400), (8, 52564000), (10, 42051200), (16, 26282000), (17, 24736000), (20, 21025600), (25, 16820480), (32, 13141000), (34, 12368000), (40, 10512800), (50, 8410240), (64, 6570500), (68, 6184000), (80, 5256400), (85, 4947200), (100, 4205120), (125, 3364096), (128, 3285250), (136, 3092000), (160, 2628200), (170, 2473600), (200, 2102560), (250, 1682048), (256, 1642625), (272, 1546000), (320, 1314100), (340, 1236800), (400, 1051280), (425, 989440), (500, 841024), (544, 773000), (640, 657050), (680, 618400), (773, 544000), (800, 525640), (850, 494720), (1000, 420512), (1088, 386500), (1280, 328525), (1360, 309200), (1546, 272000), (1600, 262820), (1700, 247360), (2000, 210256), (2125, 197888), (2176, 193250), (2720, 154600), (3092, 136000), (3200, 131410), (3400, 123680), (3865, 108800), (4000, 105128), (4250, 98944), (4352, 96625), (5440, 77300), (6184, 68000), (6400, 65705), (6800, 61840), (7730, 54400), (8000, 52564), (8500, 49472), (10880, 38650), (12368, 34000), (13141, 32000), (13600, 30920), (15460, 27200), (16000, 26282), (17000, 24736), (19325, 21760)]