71687760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:313

約数の個数: 160

約数和(自身を含む): 238080000

約数和(自身を除く): 166392240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 79, 80, 95, 114, 120, 152, 158, 190, 199, 228, 237, 240, 285, 304, 316, 380, 395, 398, 456, 474, 570, 597, 632, 760, 790, 796, 912, 948, 995, 1140, 1185, 1194, 1264, 1501, 1520, 1580, 1592, 1896, 1990, 2280, 2370, 2388, 2985, 3002, 3160, 3184, 3781, 3792, 3980, 4503, 4560, 4740, 4776, 5970, 6004, 6320, 7505, 7562, 7960, 9006, 9480, 9552, 11343, 11940, 12008, 15010, 15124, 15721, 15920, 18012, 18905, 18960, 22515, 22686, 23880, 24016, 30020, 30248, 31442, 36024, 37810, 45030, 45372, 47163, 47760, 56715, 60040, 60496, 62884, 72048, 75620, 78605, 90060, 90744, 94326, 113430, 120080, 125768, 151240, 157210, 180120, 181488, 188652, 226860, 235815, 251536, 298699, 302480, 314420, 360240, 377304, 453720, 471630, 597398, 628840, 754608, 896097, 907440, 943260, 1194796, 1257680, 1493495, 1792194, 1886520, 2389592, 2986990, 3584388, 3773040, 4480485, 4779184, 5973980, 7168776, 8960970, 11947960, 14337552, 17921940, 23895920, 35843880, 71687760]

約数ペア:

[(1, 71687760), (2, 35843880), (3, 23895920), (4, 17921940), (5, 14337552), (6, 11947960), (8, 8960970), (10, 7168776), (12, 5973980), (15, 4779184), (16, 4480485), (19, 3773040), (20, 3584388), (24, 2986990), (30, 2389592), (38, 1886520), (40, 1792194), (48, 1493495), (57, 1257680), (60, 1194796), (76, 943260), (79, 907440), (80, 896097), (95, 754608), (114, 628840), (120, 597398), (152, 471630), (158, 453720), (190, 377304), (199, 360240), (228, 314420), (237, 302480), (240, 298699), (285, 251536), (304, 235815), (316, 226860), (380, 188652), (395, 181488), (398, 180120), (456, 157210), (474, 151240), (570, 125768), (597, 120080), (632, 113430), (760, 94326), (790, 90744), (796, 90060), (912, 78605), (948, 75620), (995, 72048), (1140, 62884), (1185, 60496), (1194, 60040), (1264, 56715), (1501, 47760), (1520, 47163), (1580, 45372), (1592, 45030), (1896, 37810), (1990, 36024), (2280, 31442), (2370, 30248), (2388, 30020), (2985, 24016), (3002, 23880), (3160, 22686), (3184, 22515), (3781, 18960), (3792, 18905), (3980, 18012), (4503, 15920), (4560, 15721), (4740, 15124), (4776, 15010), (5970, 12008), (6004, 11940), (6320, 11343), (7505, 9552), (7562, 9480), (7960, 9006)]