128627928

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:111

約数の個数: 216

約数和(自身を含む): 425222460

約数和(自身を除く): 296594532

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 31, 33, 36, 39, 44, 52, 62, 66, 72, 78, 88, 93, 99, 104, 117, 124, 132, 143, 156, 169, 186, 198, 234, 248, 264, 279, 286, 312, 338, 341, 372, 396, 403, 429, 468, 507, 558, 572, 676, 682, 744, 792, 806, 858, 936, 961, 1014, 1023, 1116, 1144, 1209, 1287, 1352, 1364, 1521, 1612, 1716, 1859, 1922, 2028, 2046, 2232, 2418, 2574, 2728, 2883, 3042, 3069, 3224, 3432, 3627, 3718, 3844, 4056, 4092, 4433, 4836, 5148, 5239, 5577, 5766, 6084, 6138, 7254, 7436, 7688, 8184, 8649, 8866, 9672, 10296, 10478, 10571, 11154, 11532, 12168, 12276, 12493, 13299, 14508, 14872, 15717, 16731, 17298, 17732, 20956, 21142, 22308, 23064, 24552, 24986, 26598, 29016, 31434, 31713, 33462, 34596, 35464, 37479, 39897, 41912, 42284, 44616, 47151, 49972, 53196, 57629, 62868, 63426, 66924, 69192, 74958, 79794, 84568, 94302, 95139, 99944, 106392, 112437, 115258, 125736, 126852, 133848, 137423, 149916, 159588, 162409, 172887, 188604, 190278, 224874, 230516, 253704, 274846, 299832, 319176, 324818, 345774, 377208, 380556, 412269, 449748, 461032, 487227, 518661, 549692, 649636, 691548, 761112, 824538, 899496, 974454, 1037322, 1099384, 1236807, 1299272, 1383096, 1461681, 1649076, 1786499, 1948908, 2074644, 2473614, 2923362, 3298152, 3572998, 3897816, 4149288, 4947228, 5359497, 5846724, 7145996, 9894456, 10718994, 11693448, 14291992, 16078491, 21437988, 32156982, 42875976, 64313964, 128627928]

約数ペア:

[(1, 128627928), (2, 64313964), (3, 42875976), (4, 32156982), (6, 21437988), (8, 16078491), (9, 14291992), (11, 11693448), (12, 10718994), (13, 9894456), (18, 7145996), (22, 5846724), (24, 5359497), (26, 4947228), (31, 4149288), (33, 3897816), (36, 3572998), (39, 3298152), (44, 2923362), (52, 2473614), (62, 2074644), (66, 1948908), (72, 1786499), (78, 1649076), (88, 1461681), (93, 1383096), (99, 1299272), (104, 1236807), (117, 1099384), (124, 1037322), (132, 974454), (143, 899496), (156, 824538), (169, 761112), (186, 691548), (198, 649636), (234, 549692), (248, 518661), (264, 487227), (279, 461032), (286, 449748), (312, 412269), (338, 380556), (341, 377208), (372, 345774), (396, 324818), (403, 319176), (429, 299832), (468, 274846), (507, 253704), (558, 230516), (572, 224874), (676, 190278), (682, 188604), (744, 172887), (792, 162409), (806, 159588), (858, 149916), (936, 137423), (961, 133848), (1014, 126852), (1023, 125736), (1116, 115258), (1144, 112437), (1209, 106392), (1287, 99944), (1352, 95139), (1364, 94302), (1521, 84568), (1612, 79794), (1716, 74958), (1859, 69192), (1922, 66924), (2028, 63426), (2046, 62868), (2232, 57629), (2418, 53196), (2574, 49972), (2728, 47151), (2883, 44616), (3042, 42284), (3069, 41912), (3224, 39897), (3432, 37479), (3627, 35464), (3718, 34596), (3844, 33462), (4056, 31713), (4092, 31434), (4433, 29016), (4836, 26598), (5148, 24986), (5239, 24552), (5577, 23064), (5766, 22308), (6084, 21142), (6138, 20956), (7254, 17732), (7436, 17298), (7688, 16731), (8184, 15717), (8649, 14872), (8866, 14508), (9672, 13299), (10296, 12493), (10478, 12276), (10571, 12168), (11154, 11532)]