2819267920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:970

約数の個数: 160

約数和(自身を含む): 7713792000

約数和(自身を除く): 4894524080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 127, 140, 196, 245, 254, 280, 343, 392, 490, 508, 560, 635, 686, 784, 809, 889, 980, 1016, 1270, 1372, 1618, 1715, 1778, 1960, 2032, 2540, 2744, 3236, 3430, 3556, 3920, 4045, 4445, 5080, 5488, 5663, 6223, 6472, 6860, 7112, 8090, 8890, 10160, 11326, 12446, 12944, 13720, 14224, 16180, 17780, 22652, 24892, 27440, 28315, 31115, 32360, 35560, 39641, 43561, 45304, 49784, 56630, 62230, 64720, 71120, 79282, 87122, 90608, 99568, 102743, 113260, 124460, 158564, 174244, 198205, 205486, 217805, 226520, 248920, 277487, 317128, 348488, 396410, 410972, 435610, 453040, 497840, 513715, 554974, 634256, 696976, 719201, 792820, 821944, 871220, 1027430, 1109948, 1387435, 1438402, 1585640, 1643888, 1742440, 2054860, 2219896, 2774870, 2876804, 3171280, 3484880, 3596005, 4109720, 4439792, 5034407, 5549740, 5753608, 7192010, 8219440, 10068814, 11099480, 11507216, 14384020, 20137628, 22198960, 25172035, 28768040, 35240849, 40275256, 50344070, 57536080, 70481698, 80550512, 100688140, 140963396, 176204245, 201376280, 281926792, 352408490, 402752560, 563853584, 704816980, 1409633960, 2819267920]

約数ペア:

[(1, 2819267920), (2, 1409633960), (4, 704816980), (5, 563853584), (7, 402752560), (8, 352408490), (10, 281926792), (14, 201376280), (16, 176204245), (20, 140963396), (28, 100688140), (35, 80550512), (40, 70481698), (49, 57536080), (56, 50344070), (70, 40275256), (80, 35240849), (98, 28768040), (112, 25172035), (127, 22198960), (140, 20137628), (196, 14384020), (245, 11507216), (254, 11099480), (280, 10068814), (343, 8219440), (392, 7192010), (490, 5753608), (508, 5549740), (560, 5034407), (635, 4439792), (686, 4109720), (784, 3596005), (809, 3484880), (889, 3171280), (980, 2876804), (1016, 2774870), (1270, 2219896), (1372, 2054860), (1618, 1742440), (1715, 1643888), (1778, 1585640), (1960, 1438402), (2032, 1387435), (2540, 1109948), (2744, 1027430), (3236, 871220), (3430, 821944), (3556, 792820), (3920, 719201), (4045, 696976), (4445, 634256), (5080, 554974), (5488, 513715), (5663, 497840), (6223, 453040), (6472, 435610), (6860, 410972), (7112, 396410), (8090, 348488), (8890, 317128), (10160, 277487), (11326, 248920), (12446, 226520), (12944, 217805), (13720, 205486), (14224, 198205), (16180, 174244), (17780, 158564), (22652, 124460), (24892, 113260), (27440, 102743), (28315, 99568), (31115, 90608), (32360, 87122), (35560, 79282), (39641, 71120), (43561, 64720), (45304, 62230), (49784, 56630)]