243707920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 613960704

約数和(自身を除く): 370252784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 127, 136, 166, 170, 254, 272, 289, 332, 340, 415, 508, 578, 635, 664, 680, 830, 1016, 1156, 1270, 1328, 1360, 1411, 1445, 1660, 2032, 2159, 2312, 2540, 2822, 2890, 3320, 4318, 4624, 5080, 5644, 5780, 6640, 7055, 8636, 10160, 10541, 10795, 11288, 11560, 14110, 17272, 21082, 21590, 22576, 23120, 23987, 28220, 34544, 36703, 42164, 43180, 47974, 52705, 56440, 73406, 84328, 86360, 95948, 105410, 112880, 119935, 146812, 168656, 172720, 179197, 183515, 191896, 210820, 239870, 293624, 358394, 367030, 383792, 421640, 479740, 587248, 716788, 734060, 843280, 895985, 959480, 1433576, 1468120, 1791970, 1918960, 2867152, 2936240, 3046349, 3583940, 6092698, 7167880, 12185396, 14335760, 15231745, 24370792, 30463490, 48741584, 60926980, 121853960, 243707920]

約数ペア:

[(1, 243707920), (2, 121853960), (4, 60926980), (5, 48741584), (8, 30463490), (10, 24370792), (16, 15231745), (17, 14335760), (20, 12185396), (34, 7167880), (40, 6092698), (68, 3583940), (80, 3046349), (83, 2936240), (85, 2867152), (127, 1918960), (136, 1791970), (166, 1468120), (170, 1433576), (254, 959480), (272, 895985), (289, 843280), (332, 734060), (340, 716788), (415, 587248), (508, 479740), (578, 421640), (635, 383792), (664, 367030), (680, 358394), (830, 293624), (1016, 239870), (1156, 210820), (1270, 191896), (1328, 183515), (1360, 179197), (1411, 172720), (1445, 168656), (1660, 146812), (2032, 119935), (2159, 112880), (2312, 105410), (2540, 95948), (2822, 86360), (2890, 84328), (3320, 73406), (4318, 56440), (4624, 52705), (5080, 47974), (5644, 43180), (5780, 42164), (6640, 36703), (7055, 34544), (8636, 28220), (10160, 23987), (10541, 23120), (10795, 22576), (11288, 21590), (11560, 21082), (14110, 17272)]