305223520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 870912000

約数和(自身を除く): 565688480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 59, 62, 70, 80, 112, 118, 124, 140, 149, 155, 160, 217, 224, 236, 248, 280, 295, 298, 310, 413, 434, 472, 496, 560, 590, 596, 620, 745, 826, 868, 944, 992, 1043, 1085, 1120, 1180, 1192, 1240, 1490, 1652, 1736, 1829, 1888, 2065, 2086, 2170, 2360, 2384, 2480, 2980, 3304, 3472, 3658, 4130, 4172, 4340, 4619, 4720, 4768, 4960, 5215, 5960, 6608, 6944, 7316, 8260, 8344, 8680, 8791, 9145, 9238, 9440, 10430, 11920, 12803, 13216, 14632, 16520, 16688, 17360, 17582, 18290, 18476, 20860, 23095, 23840, 25606, 29264, 32333, 33040, 33376, 34720, 35164, 36580, 36952, 41720, 43955, 46190, 51212, 58528, 61537, 64015, 64666, 66080, 70328, 73160, 73904, 83440, 87910, 92380, 102424, 123074, 128030, 129332, 140656, 146320, 147808, 161665, 166880, 175820, 184760, 204848, 246148, 256060, 258664, 272521, 281312, 292640, 307685, 323330, 351640, 369520, 409696, 492296, 512120, 517328, 545042, 615370, 646660, 703280, 739040, 984592, 1024240, 1034656, 1090084, 1230740, 1293320, 1362605, 1406560, 1907647, 1969184, 2048480, 2180168, 2461480, 2586640, 2725210, 3815294, 4360336, 4922960, 5173280, 5450420, 7630588, 8720672, 9538235, 9845920, 10900840, 15261176, 19076470, 21801680, 30522352, 38152940, 43603360, 61044704, 76305880, 152611760, 305223520]

約数ペア:

[(1, 305223520), (2, 152611760), (4, 76305880), (5, 61044704), (7, 43603360), (8, 38152940), (10, 30522352), (14, 21801680), (16, 19076470), (20, 15261176), (28, 10900840), (31, 9845920), (32, 9538235), (35, 8720672), (40, 7630588), (56, 5450420), (59, 5173280), (62, 4922960), (70, 4360336), (80, 3815294), (112, 2725210), (118, 2586640), (124, 2461480), (140, 2180168), (149, 2048480), (155, 1969184), (160, 1907647), (217, 1406560), (224, 1362605), (236, 1293320), (248, 1230740), (280, 1090084), (295, 1034656), (298, 1024240), (310, 984592), (413, 739040), (434, 703280), (472, 646660), (496, 615370), (560, 545042), (590, 517328), (596, 512120), (620, 492296), (745, 409696), (826, 369520), (868, 351640), (944, 323330), (992, 307685), (1043, 292640), (1085, 281312), (1120, 272521), (1180, 258664), (1192, 256060), (1240, 246148), (1490, 204848), (1652, 184760), (1736, 175820), (1829, 166880), (1888, 161665), (2065, 147808), (2086, 146320), (2170, 140656), (2360, 129332), (2384, 128030), (2480, 123074), (2980, 102424), (3304, 92380), (3472, 87910), (3658, 83440), (4130, 73904), (4172, 73160), (4340, 70328), (4619, 66080), (4720, 64666), (4768, 64015), (4960, 61537), (5215, 58528), (5960, 51212), (6608, 46190), (6944, 43955), (7316, 41720), (8260, 36952), (8344, 36580), (8680, 35164), (8791, 34720), (9145, 33376), (9238, 33040), (9440, 32333), (10430, 29264), (11920, 25606), (12803, 23840), (13216, 23095), (14632, 20860), (16520, 18476), (16688, 18290), (17360, 17582)]