778899151720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1987}}^1\times {\mathrm{2143}}^1$

素因数の和:4427

約数の個数: 128

約数和(自身を含む): 1864317772800

約数和(自身を除く): 1085418621080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 269, 340, 538, 680, 1076, 1345, 1987, 2143, 2152, 2690, 3974, 4286, 4573, 5380, 7948, 8572, 9146, 9935, 10715, 10760, 15896, 17144, 18292, 19870, 21430, 22865, 33779, 36431, 36584, 39740, 42860, 45730, 67558, 72862, 79480, 85720, 91460, 135116, 145724, 168895, 182155, 182920, 270232, 291448, 337790, 364310, 534503, 576467, 675580, 728620, 1069006, 1152934, 1351160, 1457240, 2138012, 2305868, 2672515, 2882335, 4258141, 4276024, 4611736, 5345030, 5764670, 8516282, 9086551, 9799939, 10690060, 11529340, 17032564, 18173102, 19599878, 21290705, 21380120, 23058680, 34065128, 36346204, 39199756, 42581410, 45432755, 48999695, 72388397, 72692408, 78399512, 85162820, 90865510, 97999390, 144776794, 170325640, 181731020, 195998780, 289553588, 361941985, 363462040, 391997560, 579107176, 723883970, 1145439929, 1447767940, 2290879858, 2895535880, 4581759716, 5727199645, 9163519432, 11454399290, 19472478793, 22908798580, 38944957586, 45817597160, 77889915172, 97362393965, 155779830344, 194724787930, 389449575860, 778899151720]

約数ペア:

[(1, 778899151720), (2, 389449575860), (4, 194724787930), (5, 155779830344), (8, 97362393965), (10, 77889915172), (17, 45817597160), (20, 38944957586), (34, 22908798580), (40, 19472478793), (68, 11454399290), (85, 9163519432), (136, 5727199645), (170, 4581759716), (269, 2895535880), (340, 2290879858), (538, 1447767940), (680, 1145439929), (1076, 723883970), (1345, 579107176), (1987, 391997560), (2143, 363462040), (2152, 361941985), (2690, 289553588), (3974, 195998780), (4286, 181731020), (4573, 170325640), (5380, 144776794), (7948, 97999390), (8572, 90865510), (9146, 85162820), (9935, 78399512), (10715, 72692408), (10760, 72388397), (15896, 48999695), (17144, 45432755), (18292, 42581410), (19870, 39199756), (21430, 36346204), (22865, 34065128), (33779, 23058680), (36431, 21380120), (36584, 21290705), (39740, 19599878), (42860, 18173102), (45730, 17032564), (67558, 11529340), (72862, 10690060), (79480, 9799939), (85720, 9086551), (91460, 8516282), (135116, 5764670), (145724, 5345030), (168895, 4611736), (182155, 4276024), (182920, 4258141), (270232, 2882335), (291448, 2672515), (337790, 2305868), (364310, 2138012), (534503, 1457240), (576467, 1351160), (675580, 1152934), (728620, 1069006)]