82440280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 213736320

約数和(自身を除く): 131296040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 61, 65, 92, 104, 113, 115, 122, 130, 184, 226, 230, 244, 260, 299, 305, 452, 460, 488, 520, 565, 598, 610, 793, 904, 920, 1130, 1196, 1220, 1403, 1469, 1495, 1586, 2260, 2392, 2440, 2599, 2806, 2938, 2990, 3172, 3965, 4520, 5198, 5612, 5876, 5980, 6344, 6893, 7015, 7345, 7930, 10396, 11224, 11752, 11960, 12995, 13786, 14030, 14690, 15860, 18239, 20792, 25990, 27572, 28060, 29380, 31720, 33787, 34465, 36478, 51980, 55144, 56120, 58760, 67574, 68930, 72956, 89609, 91195, 103960, 135148, 137860, 145912, 158539, 168935, 179218, 182390, 270296, 275720, 317078, 337870, 358436, 364780, 448045, 634156, 675740, 716872, 729560, 792695, 896090, 1268312, 1351480, 1585390, 1792180, 2061007, 3170780, 3584360, 4122014, 6341560, 8244028, 10305035, 16488056, 20610070, 41220140, 82440280]

約数ペア:

[(1, 82440280), (2, 41220140), (4, 20610070), (5, 16488056), (8, 10305035), (10, 8244028), (13, 6341560), (20, 4122014), (23, 3584360), (26, 3170780), (40, 2061007), (46, 1792180), (52, 1585390), (61, 1351480), (65, 1268312), (92, 896090), (104, 792695), (113, 729560), (115, 716872), (122, 675740), (130, 634156), (184, 448045), (226, 364780), (230, 358436), (244, 337870), (260, 317078), (299, 275720), (305, 270296), (452, 182390), (460, 179218), (488, 168935), (520, 158539), (565, 145912), (598, 137860), (610, 135148), (793, 103960), (904, 91195), (920, 89609), (1130, 72956), (1196, 68930), (1220, 67574), (1403, 58760), (1469, 56120), (1495, 55144), (1586, 51980), (2260, 36478), (2392, 34465), (2440, 33787), (2599, 31720), (2806, 29380), (2938, 28060), (2990, 27572), (3172, 25990), (3965, 20792), (4520, 18239), (5198, 15860), (5612, 14690), (5876, 14030), (5980, 13786), (6344, 12995), (6893, 11960), (7015, 11752), (7345, 11224), (7930, 10396)]