81377190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 236736000

約数和(自身を除く): 155358810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 29, 30, 38, 45, 54, 57, 58, 87, 90, 95, 114, 135, 145, 171, 174, 190, 261, 270, 285, 290, 342, 435, 513, 522, 547, 551, 570, 783, 855, 870, 1026, 1094, 1102, 1305, 1566, 1641, 1653, 1710, 2565, 2610, 2735, 2755, 3282, 3306, 3915, 4923, 4959, 5130, 5470, 5510, 7830, 8205, 8265, 9846, 9918, 10393, 14769, 14877, 15863, 16410, 16530, 20786, 24615, 24795, 29538, 29754, 31179, 31726, 47589, 49230, 49590, 51965, 62358, 73845, 74385, 79315, 93537, 95178, 103930, 142767, 147690, 148770, 155895, 158630, 187074, 237945, 280611, 285534, 301397, 311790, 428301, 467685, 475890, 561222, 602794, 713835, 856602, 904191, 935370, 1403055, 1427670, 1506985, 1808382, 2141505, 2712573, 2806110, 3013970, 4283010, 4520955, 5425146, 8137719, 9041910, 13562865, 16275438, 27125730, 40688595, 81377190]

約数ペア:

[(1, 81377190), (2, 40688595), (3, 27125730), (5, 16275438), (6, 13562865), (9, 9041910), (10, 8137719), (15, 5425146), (18, 4520955), (19, 4283010), (27, 3013970), (29, 2806110), (30, 2712573), (38, 2141505), (45, 1808382), (54, 1506985), (57, 1427670), (58, 1403055), (87, 935370), (90, 904191), (95, 856602), (114, 713835), (135, 602794), (145, 561222), (171, 475890), (174, 467685), (190, 428301), (261, 311790), (270, 301397), (285, 285534), (290, 280611), (342, 237945), (435, 187074), (513, 158630), (522, 155895), (547, 148770), (551, 147690), (570, 142767), (783, 103930), (855, 95178), (870, 93537), (1026, 79315), (1094, 74385), (1102, 73845), (1305, 62358), (1566, 51965), (1641, 49590), (1653, 49230), (1710, 47589), (2565, 31726), (2610, 31179), (2735, 29754), (2755, 29538), (3282, 24795), (3306, 24615), (3915, 20786), (4923, 16530), (4959, 16410), (5130, 15863), (5470, 14877), (5510, 14769), (7830, 10393), (8205, 9918), (8265, 9846)]