258812800

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2664

約数の個数: 96

約数和(自身を含む): 660225600

約数和(自身を除く): 401412800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 2609, 3100, 3200, 3968, 4960, 5218, 6200, 9920, 10436, 12400, 13045, 19840, 20872, 24800, 26090, 41744, 49600, 52180, 65225, 80879, 83488, 99200, 104360, 130450, 161758, 166976, 208720, 260900, 323516, 333952, 404395, 417440, 521800, 647032, 808790, 834880, 1043600, 1294064, 1617580, 1669760, 2021975, 2087200, 2588128, 3235160, 4043950, 4174400, 5176256, 6470320, 8087900, 8348800, 10352512, 12940640, 16175800, 25881280, 32351600, 51762560, 64703200, 129406400, 258812800]

約数ペア:

[(1, 258812800), (2, 129406400), (4, 64703200), (5, 51762560), (8, 32351600), (10, 25881280), (16, 16175800), (20, 12940640), (25, 10352512), (31, 8348800), (32, 8087900), (40, 6470320), (50, 5176256), (62, 4174400), (64, 4043950), (80, 3235160), (100, 2588128), (124, 2087200), (128, 2021975), (155, 1669760), (160, 1617580), (200, 1294064), (248, 1043600), (310, 834880), (320, 808790), (400, 647032), (496, 521800), (620, 417440), (640, 404395), (775, 333952), (800, 323516), (992, 260900), (1240, 208720), (1550, 166976), (1600, 161758), (1984, 130450), (2480, 104360), (2609, 99200), (3100, 83488), (3200, 80879), (3968, 65225), (4960, 52180), (5218, 49600), (6200, 41744), (9920, 26090), (10436, 24800), (12400, 20872), (13045, 19840)]