640597752

素因数分解:

$2^3\times 3^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:893

約数の個数: 96

約数和(自身を含む): 1767664080

約数和(自身を除く): 1127066328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 101, 137, 202, 274, 303, 404, 411, 548, 606, 643, 808, 822, 909, 1096, 1212, 1233, 1286, 1644, 1818, 1929, 2424, 2466, 2572, 3288, 3636, 3858, 4932, 5144, 5787, 7272, 7716, 9864, 11574, 13837, 15432, 23148, 27674, 41511, 46296, 55348, 64943, 83022, 88091, 110696, 124533, 129886, 166044, 176182, 194829, 249066, 259772, 264273, 332088, 352364, 389658, 498132, 519544, 528546, 584487, 704728, 779316, 792819, 996264, 1057092, 1168974, 1558632, 1585638, 2114184, 2337948, 3171276, 4675896, 6342552, 8897191, 17794382, 26691573, 35588764, 53383146, 71177528, 80074719, 106766292, 160149438, 213532584, 320298876, 640597752]

約数ペア:

[(1, 640597752), (2, 320298876), (3, 213532584), (4, 160149438), (6, 106766292), (8, 80074719), (9, 71177528), (12, 53383146), (18, 35588764), (24, 26691573), (36, 17794382), (72, 8897191), (101, 6342552), (137, 4675896), (202, 3171276), (274, 2337948), (303, 2114184), (404, 1585638), (411, 1558632), (548, 1168974), (606, 1057092), (643, 996264), (808, 792819), (822, 779316), (909, 704728), (1096, 584487), (1212, 528546), (1233, 519544), (1286, 498132), (1644, 389658), (1818, 352364), (1929, 332088), (2424, 264273), (2466, 259772), (2572, 249066), (3288, 194829), (3636, 176182), (3858, 166044), (4932, 129886), (5144, 124533), (5787, 110696), (7272, 88091), (7716, 83022), (9864, 64943), (11574, 55348), (13837, 46296), (15432, 41511), (23148, 27674)]