42855280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 108743040

約数和(自身を除く): 65887760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 463, 520, 712, 890, 926, 1040, 1157, 1424, 1780, 1852, 2314, 2315, 3560, 3704, 4628, 4630, 5785, 6019, 7120, 7408, 9256, 9260, 11570, 12038, 18512, 18520, 23140, 24076, 30095, 37040, 41207, 46280, 48152, 60190, 82414, 92560, 96304, 120380, 164828, 206035, 240760, 329656, 412070, 481520, 535691, 659312, 824140, 1071382, 1648280, 2142764, 2678455, 3296560, 4285528, 5356910, 8571056, 10713820, 21427640, 42855280]

約数ペア:

[(1, 42855280), (2, 21427640), (4, 10713820), (5, 8571056), (8, 5356910), (10, 4285528), (13, 3296560), (16, 2678455), (20, 2142764), (26, 1648280), (40, 1071382), (52, 824140), (65, 659312), (80, 535691), (89, 481520), (104, 412070), (130, 329656), (178, 240760), (208, 206035), (260, 164828), (356, 120380), (445, 96304), (463, 92560), (520, 82414), (712, 60190), (890, 48152), (926, 46280), (1040, 41207), (1157, 37040), (1424, 30095), (1780, 24076), (1852, 23140), (2314, 18520), (2315, 18512), (3560, 12038), (3704, 11570), (4628, 9260), (4630, 9256), (5785, 7408), (6019, 7120)]