80156440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 238109760

約数和(自身を除く): 157953320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 61, 65, 70, 76, 91, 95, 104, 122, 130, 133, 140, 152, 182, 190, 244, 247, 260, 266, 280, 305, 361, 364, 380, 427, 455, 488, 494, 520, 532, 610, 665, 722, 728, 760, 793, 854, 910, 988, 1064, 1159, 1220, 1235, 1330, 1444, 1586, 1708, 1729, 1805, 1820, 1976, 2135, 2318, 2440, 2470, 2527, 2660, 2888, 3172, 3416, 3458, 3610, 3640, 3965, 4270, 4636, 4693, 4940, 5054, 5320, 5551, 5795, 6344, 6916, 7220, 7930, 8113, 8540, 8645, 9272, 9386, 9880, 10108, 11102, 11590, 12635, 13832, 14440, 15067, 15860, 16226, 17080, 17290, 18772, 20216, 22021, 22204, 23180, 23465, 25270, 27755, 30134, 31720, 32452, 32851, 34580, 37544, 40565, 44042, 44408, 46360, 46930, 50540, 55510, 60268, 64904, 65702, 69160, 75335, 81130, 88084, 93860, 101080, 105469, 110105, 111020, 120536, 131404, 150670, 154147, 162260, 164255, 176168, 187720, 210938, 220210, 222040, 262808, 286273, 301340, 308294, 324520, 328510, 421876, 440420, 527345, 572546, 602680, 616588, 657020, 770735, 843752, 880840, 1054690, 1145092, 1233176, 1314040, 1431365, 1541470, 2003911, 2109380, 2290184, 2862730, 3082940, 4007822, 4218760, 5725460, 6165880, 8015644, 10019555, 11450920, 16031288, 20039110, 40078220, 80156440]

約数ペア:

[(1, 80156440), (2, 40078220), (4, 20039110), (5, 16031288), (7, 11450920), (8, 10019555), (10, 8015644), (13, 6165880), (14, 5725460), (19, 4218760), (20, 4007822), (26, 3082940), (28, 2862730), (35, 2290184), (38, 2109380), (40, 2003911), (52, 1541470), (56, 1431365), (61, 1314040), (65, 1233176), (70, 1145092), (76, 1054690), (91, 880840), (95, 843752), (104, 770735), (122, 657020), (130, 616588), (133, 602680), (140, 572546), (152, 527345), (182, 440420), (190, 421876), (244, 328510), (247, 324520), (260, 308294), (266, 301340), (280, 286273), (305, 262808), (361, 222040), (364, 220210), (380, 210938), (427, 187720), (455, 176168), (488, 164255), (494, 162260), (520, 154147), (532, 150670), (610, 131404), (665, 120536), (722, 111020), (728, 110105), (760, 105469), (793, 101080), (854, 93860), (910, 88084), (988, 81130), (1064, 75335), (1159, 69160), (1220, 65702), (1235, 64904), (1330, 60268), (1444, 55510), (1586, 50540), (1708, 46930), (1729, 46360), (1805, 44408), (1820, 44042), (1976, 40565), (2135, 37544), (2318, 34580), (2440, 32851), (2470, 32452), (2527, 31720), (2660, 30134), (2888, 27755), (3172, 25270), (3416, 23465), (3458, 23180), (3610, 22204), (3640, 22021), (3965, 20216), (4270, 18772), (4636, 17290), (4693, 17080), (4940, 16226), (5054, 15860), (5320, 15067), (5551, 14440), (5795, 13832), (6344, 12635), (6916, 11590), (7220, 11102), (7930, 10108), (8113, 9880), (8540, 9386), (8645, 9272)]