73217080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 172176480

約数和(自身を除く): 98959400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 740, 811, 1220, 1480, 1622, 2257, 2440, 3244, 4055, 4514, 6488, 8110, 9028, 11285, 16220, 18056, 22570, 30007, 32440, 45140, 49471, 60014, 90280, 98942, 120028, 150035, 197884, 240056, 247355, 300070, 395768, 494710, 600140, 989420, 1200280, 1830427, 1978840, 3660854, 7321708, 9152135, 14643416, 18304270, 36608540, 73217080]

約数ペア:

[(1, 73217080), (2, 36608540), (4, 18304270), (5, 14643416), (8, 9152135), (10, 7321708), (20, 3660854), (37, 1978840), (40, 1830427), (61, 1200280), (74, 989420), (122, 600140), (148, 494710), (185, 395768), (244, 300070), (296, 247355), (305, 240056), (370, 197884), (488, 150035), (610, 120028), (740, 98942), (811, 90280), (1220, 60014), (1480, 49471), (1622, 45140), (2257, 32440), (2440, 30007), (3244, 22570), (4055, 18056), (4514, 16220), (6488, 11285), (8110, 9028)]