142478720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11717}}^1$

素因数の和:11755

約数の個数: 64

約数和(自身を含む): 358570800

約数和(自身を除く): 216092080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 11717, 12160, 23434, 46868, 58585, 93736, 117170, 187472, 222623, 234340, 374944, 445246, 468680, 749888, 890492, 937360, 1113115, 1499776, 1780984, 1874720, 2226230, 3561968, 3749440, 4452460, 7123936, 7498880, 8904920, 14247872, 17809840, 28495744, 35619680, 71239360, 142478720]

約数ペア:

[(1, 142478720), (2, 71239360), (4, 35619680), (5, 28495744), (8, 17809840), (10, 14247872), (16, 8904920), (19, 7498880), (20, 7123936), (32, 4452460), (38, 3749440), (40, 3561968), (64, 2226230), (76, 1874720), (80, 1780984), (95, 1499776), (128, 1113115), (152, 937360), (160, 890492), (190, 749888), (304, 468680), (320, 445246), (380, 374944), (608, 234340), (640, 222623), (760, 187472), (1216, 117170), (1520, 93736), (2432, 58585), (3040, 46868), (6080, 23434), (11717, 12160)]