317617920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 216

約数和(自身を含む): 1116024000

約数和(自身を除く): 798406080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 128, 144, 158, 160, 180, 192, 237, 240, 256, 288, 316, 320, 349, 360, 384, 395, 474, 480, 576, 632, 640, 698, 711, 720, 768, 790, 948, 960, 1047, 1152, 1185, 1264, 1280, 1396, 1422, 1440, 1580, 1745, 1896, 1920, 2094, 2304, 2370, 2528, 2792, 2844, 2880, 3141, 3160, 3490, 3555, 3792, 3840, 4188, 4740, 5056, 5235, 5584, 5688, 5760, 6282, 6320, 6980, 7110, 7584, 8376, 9480, 10112, 10470, 11168, 11376, 11520, 12564, 12640, 13960, 14220, 15168, 15705, 16752, 18960, 20224, 20940, 22336, 22752, 25128, 25280, 27571, 27920, 28440, 30336, 31410, 33504, 37920, 41880, 44672, 45504, 50256, 50560, 55142, 55840, 56880, 60672, 62820, 67008, 75840, 82713, 83760, 89344, 91008, 100512, 101120, 110284, 111680, 113760, 125640, 134016, 137855, 151680, 165426, 167520, 182016, 201024, 220568, 223360, 227520, 248139, 251280, 268032, 275710, 303360, 330852, 335040, 402048, 413565, 441136, 446720, 455040, 496278, 502560, 551420, 661704, 670080, 804096, 827130, 882272, 910080, 992556, 1005120, 1102840, 1240695, 1323408, 1340160, 1654260, 1764544, 1985112, 2010240, 2205680, 2481390, 2646816, 3308520, 3529088, 3970224, 4020480, 4411360, 4962780, 5293632, 6617040, 7058176, 7940448, 8822720, 9925560, 10587264, 13234080, 15880896, 17645440, 19851120, 21174528, 26468160, 31761792, 35290880, 39702240, 52936320, 63523584, 79404480, 105872640, 158808960, 317617920]

約数ペア:

[(1, 317617920), (2, 158808960), (3, 105872640), (4, 79404480), (5, 63523584), (6, 52936320), (8, 39702240), (9, 35290880), (10, 31761792), (12, 26468160), (15, 21174528), (16, 19851120), (18, 17645440), (20, 15880896), (24, 13234080), (30, 10587264), (32, 9925560), (36, 8822720), (40, 7940448), (45, 7058176), (48, 6617040), (60, 5293632), (64, 4962780), (72, 4411360), (79, 4020480), (80, 3970224), (90, 3529088), (96, 3308520), (120, 2646816), (128, 2481390), (144, 2205680), (158, 2010240), (160, 1985112), (180, 1764544), (192, 1654260), (237, 1340160), (240, 1323408), (256, 1240695), (288, 1102840), (316, 1005120), (320, 992556), (349, 910080), (360, 882272), (384, 827130), (395, 804096), (474, 670080), (480, 661704), (576, 551420), (632, 502560), (640, 496278), (698, 455040), (711, 446720), (720, 441136), (768, 413565), (790, 402048), (948, 335040), (960, 330852), (1047, 303360), (1152, 275710), (1185, 268032), (1264, 251280), (1280, 248139), (1396, 227520), (1422, 223360), (1440, 220568), (1580, 201024), (1745, 182016), (1896, 167520), (1920, 165426), (2094, 151680), (2304, 137855), (2370, 134016), (2528, 125640), (2792, 113760), (2844, 111680), (2880, 110284), (3141, 101120), (3160, 100512), (3490, 91008), (3555, 89344), (3792, 83760), (3840, 82713), (4188, 75840), (4740, 67008), (5056, 62820), (5235, 60672), (5584, 56880), (5688, 55840), (5760, 55142), (6282, 50560), (6320, 50256), (6980, 45504), (7110, 44672), (7584, 41880), (8376, 37920), (9480, 33504), (10112, 31410), (10470, 30336), (11168, 28440), (11376, 27920), (11520, 27571), (12564, 25280), (12640, 25128), (13960, 22752), (14220, 22336), (15168, 20940), (15705, 20224), (16752, 18960)]