159398960

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 446697600

約数和(自身を除く): 287298640

約数列:

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

約数ペア:

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