318797920

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 907804800

約数和(自身を除く): 589006880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 157, 160, 185, 196, 224, 245, 259, 280, 296, 314, 343, 370, 392, 490, 518, 560, 592, 628, 686, 740, 784, 785, 980, 1036, 1099, 1120, 1184, 1256, 1295, 1372, 1480, 1568, 1570, 1715, 1813, 1960, 2072, 2198, 2512, 2590, 2744, 2960, 3140, 3430, 3626, 3920, 4144, 4396, 5024, 5180, 5488, 5495, 5809, 5920, 6280, 6860, 7252, 7693, 7840, 8288, 8792, 9065, 10360, 10976, 10990, 11618, 12560, 12691, 13720, 14504, 15386, 17584, 18130, 20720, 21980, 23236, 25120, 25382, 27440, 29008, 29045, 30772, 35168, 36260, 38465, 40663, 41440, 43960, 46472, 50764, 53851, 54880, 58016, 58090, 61544, 63455, 72520, 76930, 81326, 87920, 92944, 101528, 107702, 116180, 123088, 126910, 145040, 153860, 162652, 175840, 185888, 203056, 203315, 215404, 232360, 246176, 253820, 269255, 284641, 290080, 307720, 325304, 406112, 406630, 430808, 464720, 507640, 538510, 569282, 615440, 650608, 813260, 861616, 929440, 1015280, 1077020, 1138564, 1230880, 1301216, 1423205, 1626520, 1723232, 1992487, 2030560, 2154040, 2277128, 2846410, 3253040, 3984974, 4308080, 4554256, 5692820, 6506080, 7969948, 8616160, 9108512, 9962435, 11385640, 15939896, 19924870, 22771280, 31879792, 39849740, 45542560, 63759584, 79699480, 159398960, 318797920]

約数ペア:

[(1, 318797920), (2, 159398960), (4, 79699480), (5, 63759584), (7, 45542560), (8, 39849740), (10, 31879792), (14, 22771280), (16, 19924870), (20, 15939896), (28, 11385640), (32, 9962435), (35, 9108512), (37, 8616160), (40, 7969948), (49, 6506080), (56, 5692820), (70, 4554256), (74, 4308080), (80, 3984974), (98, 3253040), (112, 2846410), (140, 2277128), (148, 2154040), (157, 2030560), (160, 1992487), (185, 1723232), (196, 1626520), (224, 1423205), (245, 1301216), (259, 1230880), (280, 1138564), (296, 1077020), (314, 1015280), (343, 929440), (370, 861616), (392, 813260), (490, 650608), (518, 615440), (560, 569282), (592, 538510), (628, 507640), (686, 464720), (740, 430808), (784, 406630), (785, 406112), (980, 325304), (1036, 307720), (1099, 290080), (1120, 284641), (1184, 269255), (1256, 253820), (1295, 246176), (1372, 232360), (1480, 215404), (1568, 203315), (1570, 203056), (1715, 185888), (1813, 175840), (1960, 162652), (2072, 153860), (2198, 145040), (2512, 126910), (2590, 123088), (2744, 116180), (2960, 107702), (3140, 101528), (3430, 92944), (3626, 87920), (3920, 81326), (4144, 76930), (4396, 72520), (5024, 63455), (5180, 61544), (5488, 58090), (5495, 58016), (5809, 54880), (5920, 53851), (6280, 50764), (6860, 46472), (7252, 43960), (7693, 41440), (7840, 40663), (8288, 38465), (8792, 36260), (9065, 35168), (10360, 30772), (10976, 29045), (10990, 29008), (11618, 27440), (12560, 25382), (12691, 25120), (13720, 23236), (14504, 21980), (15386, 20720), (17584, 18130)]