128580360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2699}}^1$

素因数の和:3110

約数の個数: 64

約数和(自身を含む): 386856000

約数和(自身を除く): 258275640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1985, 2382, 2699, 3176, 3970, 4764, 5398, 5955, 7940, 8097, 9528, 10796, 11910, 13495, 15880, 16194, 21592, 23820, 26990, 32388, 40485, 47640, 53980, 64776, 80970, 107960, 161940, 323880, 1071503, 2143006, 3214509, 4286012, 5357515, 6429018, 8572024, 10715030, 12858036, 16072545, 21430060, 25716072, 32145090, 42860120, 64290180, 128580360]

約数ペア:

[(1, 128580360), (2, 64290180), (3, 42860120), (4, 32145090), (5, 25716072), (6, 21430060), (8, 16072545), (10, 12858036), (12, 10715030), (15, 8572024), (20, 6429018), (24, 5357515), (30, 4286012), (40, 3214509), (60, 2143006), (120, 1071503), (397, 323880), (794, 161940), (1191, 107960), (1588, 80970), (1985, 64776), (2382, 53980), (2699, 47640), (3176, 40485), (3970, 32388), (4764, 26990), (5398, 23820), (5955, 21592), (7940, 16194), (8097, 15880), (9528, 13495), (10796, 11910)]