28777600

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 78686370

約数和(自身を除く): 49908770

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 32, 34, 40, 46, 50, 64, 68, 80, 85, 92, 100, 115, 128, 136, 160, 170, 184, 200, 230, 272, 320, 340, 368, 391, 400, 425, 460, 529, 544, 575, 640, 680, 736, 782, 800, 850, 920, 1058, 1088, 1150, 1360, 1472, 1564, 1600, 1700, 1840, 1955, 2116, 2176, 2300, 2645, 2720, 2944, 3128, 3200, 3400, 3680, 3910, 4232, 4600, 5290, 5440, 6256, 6800, 7360, 7820, 8464, 8993, 9200, 9775, 10580, 10880, 12512, 13225, 13600, 14720, 15640, 16928, 17986, 18400, 19550, 21160, 25024, 26450, 27200, 31280, 33856, 35972, 36800, 39100, 42320, 44965, 50048, 52900, 54400, 62560, 67712, 71944, 73600, 78200, 84640, 89930, 105800, 125120, 143888, 156400, 169280, 179860, 211600, 224825, 250240, 287776, 312800, 338560, 359720, 423200, 449650, 575552, 625600, 719440, 846400, 899300, 1151104, 1251200, 1438880, 1692800, 1798600, 2877760, 3597200, 5755520, 7194400, 14388800, 28777600]

約数ペア:

[(1, 28777600), (2, 14388800), (4, 7194400), (5, 5755520), (8, 3597200), (10, 2877760), (16, 1798600), (17, 1692800), (20, 1438880), (23, 1251200), (25, 1151104), (32, 899300), (34, 846400), (40, 719440), (46, 625600), (50, 575552), (64, 449650), (68, 423200), (80, 359720), (85, 338560), (92, 312800), (100, 287776), (115, 250240), (128, 224825), (136, 211600), (160, 179860), (170, 169280), (184, 156400), (200, 143888), (230, 125120), (272, 105800), (320, 89930), (340, 84640), (368, 78200), (391, 73600), (400, 71944), (425, 67712), (460, 62560), (529, 54400), (544, 52900), (575, 50048), (640, 44965), (680, 42320), (736, 39100), (782, 36800), (800, 35972), (850, 33856), (920, 31280), (1058, 27200), (1088, 26450), (1150, 25024), (1360, 21160), (1472, 19550), (1564, 18400), (1600, 17986), (1700, 16928), (1840, 15640), (1955, 14720), (2116, 13600), (2176, 13225), (2300, 12512), (2645, 10880), (2720, 10580), (2944, 9775), (3128, 9200), (3200, 8993), (3400, 8464), (3680, 7820), (3910, 7360), (4232, 6800), (4600, 6256), (5290, 5440)]