78185380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:91

約数の個数: 216

約数和(自身を含む): 229852728

約数和(自身を除く): 151667348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 19, 20, 26, 28, 34, 35, 38, 49, 52, 65, 68, 70, 76, 85, 91, 95, 98, 119, 130, 133, 140, 170, 182, 190, 196, 221, 238, 245, 247, 260, 266, 323, 340, 361, 364, 380, 442, 455, 476, 490, 494, 532, 595, 637, 646, 665, 722, 833, 884, 910, 931, 980, 988, 1105, 1190, 1235, 1274, 1292, 1330, 1444, 1547, 1615, 1666, 1729, 1805, 1820, 1862, 2210, 2261, 2380, 2470, 2527, 2548, 2660, 3094, 3185, 3230, 3332, 3458, 3610, 3724, 4165, 4199, 4420, 4522, 4655, 4693, 4940, 5054, 6137, 6188, 6370, 6460, 6916, 7220, 7735, 8330, 8398, 8645, 9044, 9310, 9386, 10108, 10829, 11305, 12103, 12274, 12635, 12740, 15470, 15827, 16660, 16796, 17290, 17689, 18620, 18772, 20995, 21658, 22610, 23465, 24206, 24548, 25270, 29393, 30685, 30940, 31654, 32851, 34580, 35378, 41990, 42959, 43316, 45220, 46930, 48412, 50540, 54145, 58786, 60515, 61370, 63308, 65702, 70756, 79135, 79781, 83980, 85918, 88445, 93860, 108290, 117572, 121030, 122740, 131404, 146965, 158270, 159562, 164255, 171836, 176890, 205751, 214795, 216580, 229957, 242060, 293930, 300713, 316540, 319124, 328510, 353780, 398905, 411502, 429590, 459914, 558467, 587860, 601426, 657020, 797810, 823004, 859180, 919828, 1028755, 1116934, 1149785, 1202852, 1503565, 1595620, 2057510, 2233868, 2299570, 2792335, 3007130, 3909269, 4115020, 4599140, 5584670, 6014260, 7818538, 11169340, 15637076, 19546345, 39092690, 78185380]

約数ペア:

[(1, 78185380), (2, 39092690), (4, 19546345), (5, 15637076), (7, 11169340), (10, 7818538), (13, 6014260), (14, 5584670), (17, 4599140), (19, 4115020), (20, 3909269), (26, 3007130), (28, 2792335), (34, 2299570), (35, 2233868), (38, 2057510), (49, 1595620), (52, 1503565), (65, 1202852), (68, 1149785), (70, 1116934), (76, 1028755), (85, 919828), (91, 859180), (95, 823004), (98, 797810), (119, 657020), (130, 601426), (133, 587860), (140, 558467), (170, 459914), (182, 429590), (190, 411502), (196, 398905), (221, 353780), (238, 328510), (245, 319124), (247, 316540), (260, 300713), (266, 293930), (323, 242060), (340, 229957), (361, 216580), (364, 214795), (380, 205751), (442, 176890), (455, 171836), (476, 164255), (490, 159562), (494, 158270), (532, 146965), (595, 131404), (637, 122740), (646, 121030), (665, 117572), (722, 108290), (833, 93860), (884, 88445), (910, 85918), (931, 83980), (980, 79781), (988, 79135), (1105, 70756), (1190, 65702), (1235, 63308), (1274, 61370), (1292, 60515), (1330, 58786), (1444, 54145), (1547, 50540), (1615, 48412), (1666, 46930), (1729, 45220), (1805, 43316), (1820, 42959), (1862, 41990), (2210, 35378), (2261, 34580), (2380, 32851), (2470, 31654), (2527, 30940), (2548, 30685), (2660, 29393), (3094, 25270), (3185, 24548), (3230, 24206), (3332, 23465), (3458, 22610), (3610, 21658), (3724, 20995), (4165, 18772), (4199, 18620), (4420, 17689), (4522, 17290), (4655, 16796), (4693, 16660), (4940, 15827), (5054, 15470), (6137, 12740), (6188, 12635), (6370, 12274), (6460, 12103), (6916, 11305), (7220, 10829), (7735, 10108), (8330, 9386), (8398, 9310), (8645, 9044)]