87708180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 192

約数和(自身を含む): 306432000

約数和(自身を除く): 218723820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 29, 30, 35, 38, 42, 57, 58, 60, 70, 76, 84, 87, 95, 105, 114, 116, 133, 140, 145, 174, 190, 203, 210, 228, 266, 285, 290, 348, 379, 380, 399, 406, 420, 435, 532, 551, 570, 580, 609, 665, 758, 798, 812, 870, 1015, 1102, 1137, 1140, 1218, 1330, 1516, 1596, 1653, 1740, 1895, 1995, 2030, 2204, 2274, 2436, 2653, 2660, 2755, 3045, 3306, 3790, 3857, 3990, 4060, 4548, 5306, 5510, 5685, 6090, 6612, 7201, 7580, 7714, 7959, 7980, 8265, 10612, 10991, 11020, 11370, 11571, 12180, 13265, 14402, 15428, 15918, 16530, 19285, 21603, 21982, 22740, 23142, 26530, 28804, 31836, 32973, 33060, 36005, 38570, 39795, 43206, 43964, 46284, 50407, 53060, 54955, 57855, 65946, 72010, 76937, 77140, 79590, 86412, 100814, 108015, 109910, 115710, 131892, 144020, 151221, 153874, 159180, 164865, 201628, 208829, 216030, 219820, 230811, 231420, 252035, 302442, 307748, 329730, 384685, 417658, 432060, 461622, 504070, 604884, 626487, 659460, 756105, 769370, 835316, 923244, 1008140, 1044145, 1154055, 1252974, 1461803, 1512210, 1538740, 2088290, 2308110, 2505948, 2923606, 3024420, 3132435, 4176580, 4385409, 4616220, 5847212, 6264870, 7309015, 8770818, 12529740, 14618030, 17541636, 21927045, 29236060, 43854090, 87708180]

約数ペア:

[(1, 87708180), (2, 43854090), (3, 29236060), (4, 21927045), (5, 17541636), (6, 14618030), (7, 12529740), (10, 8770818), (12, 7309015), (14, 6264870), (15, 5847212), (19, 4616220), (20, 4385409), (21, 4176580), (28, 3132435), (29, 3024420), (30, 2923606), (35, 2505948), (38, 2308110), (42, 2088290), (57, 1538740), (58, 1512210), (60, 1461803), (70, 1252974), (76, 1154055), (84, 1044145), (87, 1008140), (95, 923244), (105, 835316), (114, 769370), (116, 756105), (133, 659460), (140, 626487), (145, 604884), (174, 504070), (190, 461622), (203, 432060), (210, 417658), (228, 384685), (266, 329730), (285, 307748), (290, 302442), (348, 252035), (379, 231420), (380, 230811), (399, 219820), (406, 216030), (420, 208829), (435, 201628), (532, 164865), (551, 159180), (570, 153874), (580, 151221), (609, 144020), (665, 131892), (758, 115710), (798, 109910), (812, 108015), (870, 100814), (1015, 86412), (1102, 79590), (1137, 77140), (1140, 76937), (1218, 72010), (1330, 65946), (1516, 57855), (1596, 54955), (1653, 53060), (1740, 50407), (1895, 46284), (1995, 43964), (2030, 43206), (2204, 39795), (2274, 38570), (2436, 36005), (2653, 33060), (2660, 32973), (2755, 31836), (3045, 28804), (3306, 26530), (3790, 23142), (3857, 22740), (3990, 21982), (4060, 21603), (4548, 19285), (5306, 16530), (5510, 15918), (5685, 15428), (6090, 14402), (6612, 13265), (7201, 12180), (7580, 11571), (7714, 11370), (7959, 11020), (7980, 10991), (8265, 10612)]