231215880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{673}}^1$

素因数の和:1103

約数の個数: 128

約数和(自身を含む): 795859200

約数和(自身を除く): 564643320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 409, 420, 673, 818, 840, 1227, 1346, 1636, 2019, 2045, 2454, 2692, 2863, 3272, 3365, 4038, 4090, 4711, 4908, 5384, 5726, 6135, 6730, 8076, 8180, 8589, 9422, 9816, 10095, 11452, 12270, 13460, 14133, 14315, 16152, 16360, 17178, 18844, 20190, 22904, 23555, 24540, 26920, 28266, 28630, 34356, 37688, 40380, 42945, 47110, 49080, 56532, 57260, 68712, 70665, 80760, 85890, 94220, 113064, 114520, 141330, 171780, 188440, 275257, 282660, 343560, 550514, 565320, 825771, 1101028, 1376285, 1651542, 1926799, 2202056, 2752570, 3303084, 3853598, 4128855, 5505140, 5780397, 6606168, 7707196, 8257710, 9633995, 11010280, 11560794, 15414392, 16515420, 19267990, 23121588, 28901985, 33030840, 38535980, 46243176, 57803970, 77071960, 115607940, 231215880]

約数ペア:

[(1, 231215880), (2, 115607940), (3, 77071960), (4, 57803970), (5, 46243176), (6, 38535980), (7, 33030840), (8, 28901985), (10, 23121588), (12, 19267990), (14, 16515420), (15, 15414392), (20, 11560794), (21, 11010280), (24, 9633995), (28, 8257710), (30, 7707196), (35, 6606168), (40, 5780397), (42, 5505140), (56, 4128855), (60, 3853598), (70, 3303084), (84, 2752570), (105, 2202056), (120, 1926799), (140, 1651542), (168, 1376285), (210, 1101028), (280, 825771), (409, 565320), (420, 550514), (673, 343560), (818, 282660), (840, 275257), (1227, 188440), (1346, 171780), (1636, 141330), (2019, 114520), (2045, 113064), (2454, 94220), (2692, 85890), (2863, 80760), (3272, 70665), (3365, 68712), (4038, 57260), (4090, 56532), (4711, 49080), (4908, 47110), (5384, 42945), (5726, 40380), (6135, 37688), (6730, 34356), (8076, 28630), (8180, 28266), (8589, 26920), (9422, 24540), (9816, 23555), (10095, 22904), (11452, 20190), (12270, 18844), (13460, 17178), (14133, 16360), (14315, 16152)]