157230920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:819

約数の個数: 128

約数和(自身を含む): 447897600

約数和(自身を除く): 290666680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 220, 280, 284, 308, 355, 385, 440, 497, 568, 616, 710, 719, 770, 781, 994, 1420, 1438, 1540, 1562, 1988, 2485, 2840, 2876, 3080, 3124, 3595, 3905, 3976, 4970, 5033, 5467, 5752, 6248, 7190, 7810, 7909, 9940, 10066, 10934, 14380, 15620, 15818, 19880, 20132, 21868, 25165, 27335, 28760, 31240, 31636, 39545, 40264, 43736, 50330, 51049, 54670, 55363, 63272, 79090, 100660, 102098, 109340, 110726, 158180, 201320, 204196, 218680, 221452, 255245, 276815, 316360, 357343, 408392, 442904, 510490, 553630, 561539, 714686, 1020980, 1107260, 1123078, 1429372, 1786715, 2041960, 2214520, 2246156, 2807695, 2858744, 3573430, 3930773, 4492312, 5615390, 7146860, 7861546, 11230780, 14293720, 15723092, 19653865, 22461560, 31446184, 39307730, 78615460, 157230920]

約数ペア:

[(1, 157230920), (2, 78615460), (4, 39307730), (5, 31446184), (7, 22461560), (8, 19653865), (10, 15723092), (11, 14293720), (14, 11230780), (20, 7861546), (22, 7146860), (28, 5615390), (35, 4492312), (40, 3930773), (44, 3573430), (55, 2858744), (56, 2807695), (70, 2246156), (71, 2214520), (77, 2041960), (88, 1786715), (110, 1429372), (140, 1123078), (142, 1107260), (154, 1020980), (220, 714686), (280, 561539), (284, 553630), (308, 510490), (355, 442904), (385, 408392), (440, 357343), (497, 316360), (568, 276815), (616, 255245), (710, 221452), (719, 218680), (770, 204196), (781, 201320), (994, 158180), (1420, 110726), (1438, 109340), (1540, 102098), (1562, 100660), (1988, 79090), (2485, 63272), (2840, 55363), (2876, 54670), (3080, 51049), (3124, 50330), (3595, 43736), (3905, 40264), (3976, 39545), (4970, 31636), (5033, 31240), (5467, 28760), (5752, 27335), (6248, 25165), (7190, 21868), (7810, 20132), (7909, 19880), (9940, 15818), (10066, 15620), (10934, 14380)]