1640591640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{4557199}}^1$

素因数の和:4557216

約数の個数: 48

約数和(自身を含む): 5331924000

約数和(自身を除く): 3691332360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 4557199, 9114398, 13671597, 18228796, 22785995, 27343194, 36457592, 41014791, 45571990, 54686388, 68357985, 82029582, 91143980, 109372776, 136715970, 164059164, 182287960, 205073955, 273431940, 328118328, 410147910, 546863880, 820295820, 1640591640]

約数ペア:

[(1, 1640591640), (2, 820295820), (3, 546863880), (4, 410147910), (5, 328118328), (6, 273431940), (8, 205073955), (9, 182287960), (10, 164059164), (12, 136715970), (15, 109372776), (18, 91143980), (20, 82029582), (24, 68357985), (30, 54686388), (36, 45571990), (40, 41014791), (45, 36457592), (60, 27343194), (72, 22785995), (90, 18228796), (120, 13671597), (180, 9114398), (360, 4557199)]