87217560

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{997}}^1$

素因数の和:1029

約数の個数: 128

約数和(自身を含む): 294609600

約数和(自身を除く): 207392040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 997, 1080, 1215, 1458, 1620, 1944, 1994, 2187, 2430, 2916, 2991, 3240, 3645, 3988, 4374, 4860, 4985, 5832, 5982, 7290, 7976, 8748, 8973, 9720, 9970, 10935, 11964, 14580, 14955, 17496, 17946, 19940, 21870, 23928, 26919, 29160, 29910, 35892, 39880, 43740, 44865, 53838, 59820, 71784, 80757, 87480, 89730, 107676, 119640, 134595, 161514, 179460, 215352, 242271, 269190, 323028, 358920, 403785, 484542, 538380, 646056, 726813, 807570, 969084, 1076760, 1211355, 1453626, 1615140, 1938168, 2180439, 2422710, 2907252, 3230280, 3634065, 4360878, 4845420, 5814504, 7268130, 8721756, 9690840, 10902195, 14536260, 17443512, 21804390, 29072520, 43608780, 87217560]

約数ペア:

[(1, 87217560), (2, 43608780), (3, 29072520), (4, 21804390), (5, 17443512), (6, 14536260), (8, 10902195), (9, 9690840), (10, 8721756), (12, 7268130), (15, 5814504), (18, 4845420), (20, 4360878), (24, 3634065), (27, 3230280), (30, 2907252), (36, 2422710), (40, 2180439), (45, 1938168), (54, 1615140), (60, 1453626), (72, 1211355), (81, 1076760), (90, 969084), (108, 807570), (120, 726813), (135, 646056), (162, 538380), (180, 484542), (216, 403785), (243, 358920), (270, 323028), (324, 269190), (360, 242271), (405, 215352), (486, 179460), (540, 161514), (648, 134595), (729, 119640), (810, 107676), (972, 89730), (997, 87480), (1080, 80757), (1215, 71784), (1458, 59820), (1620, 53838), (1944, 44865), (1994, 43740), (2187, 39880), (2430, 35892), (2916, 29910), (2991, 29160), (3240, 26919), (3645, 23928), (3988, 21870), (4374, 19940), (4860, 17946), (4985, 17496), (5832, 14955), (5982, 14580), (7290, 11964), (7976, 10935), (8748, 9970), (8973, 9720)]