640947888

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4211}}^1$

素因数の和:4383

約数の個数: 120

約数和(自身を含む): 2064082176

約数和(自身を除く): 1423134288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 151, 168, 252, 302, 336, 453, 504, 604, 906, 1008, 1057, 1208, 1359, 1812, 2114, 2416, 2718, 3171, 3624, 4211, 4228, 5436, 6342, 7248, 8422, 8456, 9513, 10872, 12633, 12684, 16844, 16912, 19026, 21744, 25266, 25368, 29477, 33688, 37899, 38052, 50532, 50736, 58954, 67376, 75798, 76104, 88431, 101064, 117908, 151596, 152208, 176862, 202128, 235816, 265293, 303192, 353724, 471632, 530586, 606384, 635861, 707448, 1061172, 1271722, 1414896, 1907583, 2122344, 2543444, 3815166, 4244688, 4451027, 5086888, 5722749, 7630332, 8902054, 10173776, 11445498, 13353081, 15260664, 17804108, 22890996, 26706162, 30521328, 35608216, 40059243, 45781992, 53412324, 71216432, 80118486, 91563984, 106824648, 160236972, 213649296, 320473944, 640947888]

約数ペア:

[(1, 640947888), (2, 320473944), (3, 213649296), (4, 160236972), (6, 106824648), (7, 91563984), (8, 80118486), (9, 71216432), (12, 53412324), (14, 45781992), (16, 40059243), (18, 35608216), (21, 30521328), (24, 26706162), (28, 22890996), (36, 17804108), (42, 15260664), (48, 13353081), (56, 11445498), (63, 10173776), (72, 8902054), (84, 7630332), (112, 5722749), (126, 5086888), (144, 4451027), (151, 4244688), (168, 3815166), (252, 2543444), (302, 2122344), (336, 1907583), (453, 1414896), (504, 1271722), (604, 1061172), (906, 707448), (1008, 635861), (1057, 606384), (1208, 530586), (1359, 471632), (1812, 353724), (2114, 303192), (2416, 265293), (2718, 235816), (3171, 202128), (3624, 176862), (4211, 152208), (4228, 151596), (5436, 117908), (6342, 101064), (7248, 88431), (8422, 76104), (8456, 75798), (9513, 67376), (10872, 58954), (12633, 50736), (12684, 50532), (16844, 38052), (16912, 37899), (19026, 33688), (21744, 29477), (25266, 25368)]