31927560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 110592000

約数和(自身を除く): 78664440

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, 191, 199, 210, 280, 382, 398, 420, 573, 597, 764, 796, 840, 955, 995, 1146, 1194, 1337, 1393, 1528, 1592, 1910, 1990, 2292, 2388, 2674, 2786, 2865, 2985, 3820, 3980, 4011, 4179, 4584, 4776, 5348, 5572, 5730, 5970, 6685, 6965, 7640, 7960, 8022, 8358, 10696, 11144, 11460, 11940, 13370, 13930, 16044, 16716, 20055, 20895, 22920, 23880, 26740, 27860, 32088, 33432, 38009, 40110, 41790, 53480, 55720, 76018, 80220, 83580, 114027, 152036, 160440, 167160, 190045, 228054, 266063, 304072, 380090, 456108, 532126, 570135, 760180, 798189, 912216, 1064252, 1140270, 1330315, 1520360, 1596378, 2128504, 2280540, 2660630, 3192756, 3990945, 4561080, 5321260, 6385512, 7981890, 10642520, 15963780, 31927560]

約数ペア:

[(1, 31927560), (2, 15963780), (3, 10642520), (4, 7981890), (5, 6385512), (6, 5321260), (7, 4561080), (8, 3990945), (10, 3192756), (12, 2660630), (14, 2280540), (15, 2128504), (20, 1596378), (21, 1520360), (24, 1330315), (28, 1140270), (30, 1064252), (35, 912216), (40, 798189), (42, 760180), (56, 570135), (60, 532126), (70, 456108), (84, 380090), (105, 304072), (120, 266063), (140, 228054), (168, 190045), (191, 167160), (199, 160440), (210, 152036), (280, 114027), (382, 83580), (398, 80220), (420, 76018), (573, 55720), (597, 53480), (764, 41790), (796, 40110), (840, 38009), (955, 33432), (995, 32088), (1146, 27860), (1194, 26740), (1337, 23880), (1393, 22920), (1528, 20895), (1592, 20055), (1910, 16716), (1990, 16044), (2292, 13930), (2388, 13370), (2674, 11940), (2786, 11460), (2865, 11144), (2985, 10696), (3820, 8358), (3980, 8022), (4011, 7960), (4179, 7640), (4584, 6965), (4776, 6685), (5348, 5970), (5572, 5730)]