78724160

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 112

約数和(自身を含む): 197479920

約数和(自身を除く): 118755760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 64, 74, 80, 109, 122, 148, 160, 185, 218, 244, 296, 305, 320, 370, 436, 488, 545, 592, 610, 740, 872, 976, 1090, 1184, 1220, 1480, 1744, 1952, 2180, 2257, 2368, 2440, 2960, 3488, 3904, 4033, 4360, 4514, 4880, 5920, 6649, 6976, 8066, 8720, 9028, 9760, 11285, 11840, 13298, 16132, 17440, 18056, 19520, 20165, 22570, 26596, 32264, 33245, 34880, 36112, 40330, 45140, 53192, 64528, 66490, 72224, 80660, 90280, 106384, 129056, 132980, 144448, 161320, 180560, 212768, 246013, 258112, 265960, 322640, 361120, 425536, 492026, 531920, 645280, 722240, 984052, 1063840, 1230065, 1290560, 1968104, 2127680, 2460130, 3936208, 4920260, 7872416, 9840520, 15744832, 19681040, 39362080, 78724160]

約数ペア:

[(1, 78724160), (2, 39362080), (4, 19681040), (5, 15744832), (8, 9840520), (10, 7872416), (16, 4920260), (20, 3936208), (32, 2460130), (37, 2127680), (40, 1968104), (61, 1290560), (64, 1230065), (74, 1063840), (80, 984052), (109, 722240), (122, 645280), (148, 531920), (160, 492026), (185, 425536), (218, 361120), (244, 322640), (296, 265960), (305, 258112), (320, 246013), (370, 212768), (436, 180560), (488, 161320), (545, 144448), (592, 132980), (610, 129056), (740, 106384), (872, 90280), (976, 80660), (1090, 72224), (1184, 66490), (1220, 64528), (1480, 53192), (1744, 45140), (1952, 40330), (2180, 36112), (2257, 34880), (2368, 33245), (2440, 32264), (2960, 26596), (3488, 22570), (3904, 20165), (4033, 19520), (4360, 18056), (4514, 17440), (4880, 16132), (5920, 13298), (6649, 11840), (6976, 11285), (8066, 9760), (8720, 9028)]