161560140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1933}}^1$

素因数の和:2151

約数の個数: 96

約数和(自身を含む): 519859200

約数和(自身を除く): 358299060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 995, 1194, 1393, 1933, 1990, 2388, 2786, 2985, 3866, 3980, 4179, 5572, 5799, 5970, 6965, 7732, 8358, 9665, 11598, 11940, 13531, 13930, 16716, 19330, 20895, 23196, 27062, 27860, 28995, 38660, 40593, 41790, 54124, 57990, 67655, 81186, 83580, 115980, 135310, 162372, 202965, 270620, 384667, 405930, 769334, 811860, 1154001, 1538668, 1923335, 2308002, 2692669, 3846670, 4616004, 5385338, 5770005, 7693340, 8078007, 10770676, 11540010, 13463345, 16156014, 23080020, 26926690, 32312028, 40390035, 53853380, 80780070, 161560140]

約数ペア:

[(1, 161560140), (2, 80780070), (3, 53853380), (4, 40390035), (5, 32312028), (6, 26926690), (7, 23080020), (10, 16156014), (12, 13463345), (14, 11540010), (15, 10770676), (20, 8078007), (21, 7693340), (28, 5770005), (30, 5385338), (35, 4616004), (42, 3846670), (60, 2692669), (70, 2308002), (84, 1923335), (105, 1538668), (140, 1154001), (199, 811860), (210, 769334), (398, 405930), (420, 384667), (597, 270620), (796, 202965), (995, 162372), (1194, 135310), (1393, 115980), (1933, 83580), (1990, 81186), (2388, 67655), (2786, 57990), (2985, 54124), (3866, 41790), (3980, 40593), (4179, 38660), (5572, 28995), (5799, 27860), (5970, 27062), (6965, 23196), (7732, 20895), (8358, 19330), (9665, 16716), (11598, 13930), (11940, 13531)]