289589640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:999

約数の個数: 128

約数和(自身を含む): 921456000

約数和(自身を除く): 631866360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 157, 190, 228, 285, 314, 380, 456, 471, 570, 628, 760, 785, 809, 942, 1140, 1256, 1570, 1618, 1884, 2280, 2355, 2427, 2983, 3140, 3236, 3768, 4045, 4710, 4854, 5966, 6280, 6472, 8090, 8949, 9420, 9708, 11932, 12135, 14915, 15371, 16180, 17898, 18840, 19416, 23864, 24270, 29830, 30742, 32360, 35796, 44745, 46113, 48540, 59660, 61484, 71592, 76855, 89490, 92226, 97080, 119320, 122968, 127013, 153710, 178980, 184452, 230565, 254026, 307420, 357960, 368904, 381039, 461130, 508052, 614840, 635065, 762078, 922260, 1016104, 1270130, 1524156, 1844520, 1905195, 2413247, 2540260, 3048312, 3810390, 4826494, 5080520, 7239741, 7620780, 9652988, 12066235, 14479482, 15241560, 19305976, 24132470, 28958964, 36198705, 48264940, 57917928, 72397410, 96529880, 144794820, 289589640]

約数ペア:

[(1, 289589640), (2, 144794820), (3, 96529880), (4, 72397410), (5, 57917928), (6, 48264940), (8, 36198705), (10, 28958964), (12, 24132470), (15, 19305976), (19, 15241560), (20, 14479482), (24, 12066235), (30, 9652988), (38, 7620780), (40, 7239741), (57, 5080520), (60, 4826494), (76, 3810390), (95, 3048312), (114, 2540260), (120, 2413247), (152, 1905195), (157, 1844520), (190, 1524156), (228, 1270130), (285, 1016104), (314, 922260), (380, 762078), (456, 635065), (471, 614840), (570, 508052), (628, 461130), (760, 381039), (785, 368904), (809, 357960), (942, 307420), (1140, 254026), (1256, 230565), (1570, 184452), (1618, 178980), (1884, 153710), (2280, 127013), (2355, 122968), (2427, 119320), (2983, 97080), (3140, 92226), (3236, 89490), (3768, 76855), (4045, 71592), (4710, 61484), (4854, 59660), (5966, 48540), (6280, 46113), (6472, 44745), (8090, 35796), (8949, 32360), (9420, 30742), (9708, 29830), (11932, 24270), (12135, 23864), (14915, 19416), (15371, 18840), (16180, 17898)]