321503784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 941740800

約数和(自身を除く): 620237016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 97, 109, 168, 181, 194, 218, 291, 327, 362, 388, 436, 543, 582, 654, 679, 724, 763, 776, 872, 1086, 1164, 1267, 1308, 1358, 1448, 1526, 2037, 2172, 2289, 2328, 2534, 2616, 2716, 3052, 3801, 4074, 4344, 4578, 5068, 5432, 6104, 7602, 8148, 9156, 10136, 10573, 15204, 16296, 17557, 18312, 19729, 21146, 30408, 31719, 35114, 39458, 42292, 52671, 59187, 63438, 70228, 74011, 78916, 84584, 105342, 118374, 122899, 126876, 138103, 140456, 148022, 157832, 210684, 222033, 236748, 245798, 253752, 276206, 296044, 368697, 414309, 421368, 444066, 473496, 491596, 552412, 592088, 737394, 828618, 888132, 983192, 1104824, 1474788, 1657236, 1776264, 1913713, 2949576, 3314472, 3827426, 5741139, 7654852, 11482278, 13395991, 15309704, 22964556, 26791982, 40187973, 45929112, 53583964, 80375946, 107167928, 160751892, 321503784]

約数ペア:

[(1, 321503784), (2, 160751892), (3, 107167928), (4, 80375946), (6, 53583964), (7, 45929112), (8, 40187973), (12, 26791982), (14, 22964556), (21, 15309704), (24, 13395991), (28, 11482278), (42, 7654852), (56, 5741139), (84, 3827426), (97, 3314472), (109, 2949576), (168, 1913713), (181, 1776264), (194, 1657236), (218, 1474788), (291, 1104824), (327, 983192), (362, 888132), (388, 828618), (436, 737394), (543, 592088), (582, 552412), (654, 491596), (679, 473496), (724, 444066), (763, 421368), (776, 414309), (872, 368697), (1086, 296044), (1164, 276206), (1267, 253752), (1308, 245798), (1358, 236748), (1448, 222033), (1526, 210684), (2037, 157832), (2172, 148022), (2289, 140456), (2328, 138103), (2534, 126876), (2616, 122899), (2716, 118374), (3052, 105342), (3801, 84584), (4074, 78916), (4344, 74011), (4578, 70228), (5068, 63438), (5432, 59187), (6104, 52671), (7602, 42292), (8148, 39458), (9156, 35114), (10136, 31719), (10573, 30408), (15204, 21146), (16296, 19729), (17557, 18312)]