256099860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:375

約数の個数: 192

約数和(自身を含む): 850080000

約数和(自身を除く): 593980140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 109, 114, 135, 171, 180, 190, 218, 228, 229, 270, 285, 327, 342, 380, 436, 458, 513, 540, 545, 570, 654, 684, 687, 855, 916, 981, 1026, 1090, 1140, 1145, 1308, 1374, 1635, 1710, 1962, 2052, 2061, 2071, 2180, 2290, 2565, 2748, 2943, 3270, 3420, 3435, 3924, 4122, 4142, 4351, 4580, 4905, 5130, 5886, 6183, 6213, 6540, 6870, 8244, 8284, 8702, 9810, 10260, 10305, 10355, 11772, 12366, 12426, 13053, 13740, 14715, 17404, 18639, 19620, 20610, 20710, 21755, 24732, 24852, 24961, 26106, 29430, 30915, 31065, 37278, 39159, 41220, 41420, 43510, 49922, 52212, 55917, 58860, 61830, 62130, 65265, 74556, 74883, 78318, 87020, 93195, 99844, 111834, 117477, 123660, 124260, 124805, 130530, 149766, 156636, 186390, 195795, 223668, 224649, 234954, 249610, 261060, 279585, 299532, 372780, 374415, 391590, 449298, 469908, 474259, 499220, 559170, 587385, 673947, 748830, 783180, 898596, 948518, 1118340, 1123245, 1174770, 1347894, 1422777, 1497660, 1897036, 2246490, 2349540, 2371295, 2695788, 2845554, 3369735, 4268331, 4492980, 4742590, 5691108, 6739470, 7113885, 8536662, 9485180, 12804993, 13478940, 14227770, 17073324, 21341655, 25609986, 28455540, 42683310, 51219972, 64024965, 85366620, 128049930, 256099860]

約数ペア:

[(1, 256099860), (2, 128049930), (3, 85366620), (4, 64024965), (5, 51219972), (6, 42683310), (9, 28455540), (10, 25609986), (12, 21341655), (15, 17073324), (18, 14227770), (19, 13478940), (20, 12804993), (27, 9485180), (30, 8536662), (36, 7113885), (38, 6739470), (45, 5691108), (54, 4742590), (57, 4492980), (60, 4268331), (76, 3369735), (90, 2845554), (95, 2695788), (108, 2371295), (109, 2349540), (114, 2246490), (135, 1897036), (171, 1497660), (180, 1422777), (190, 1347894), (218, 1174770), (228, 1123245), (229, 1118340), (270, 948518), (285, 898596), (327, 783180), (342, 748830), (380, 673947), (436, 587385), (458, 559170), (513, 499220), (540, 474259), (545, 469908), (570, 449298), (654, 391590), (684, 374415), (687, 372780), (855, 299532), (916, 279585), (981, 261060), (1026, 249610), (1090, 234954), (1140, 224649), (1145, 223668), (1308, 195795), (1374, 186390), (1635, 156636), (1710, 149766), (1962, 130530), (2052, 124805), (2061, 124260), (2071, 123660), (2180, 117477), (2290, 111834), (2565, 99844), (2748, 93195), (2943, 87020), (3270, 78318), (3420, 74883), (3435, 74556), (3924, 65265), (4122, 62130), (4142, 61830), (4351, 58860), (4580, 55917), (4905, 52212), (5130, 49922), (5886, 43510), (6183, 41420), (6213, 41220), (6540, 39159), (6870, 37278), (8244, 31065), (8284, 30915), (8702, 29430), (9810, 26106), (10260, 24961), (10305, 24852), (10355, 24732), (11772, 21755), (12366, 20710), (12426, 20610), (13053, 19620), (13740, 18639), (14715, 17404)]