8231580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 29352960

約数和(自身を除く): 21121380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 139, 140, 141, 180, 188, 210, 235, 252, 278, 282, 315, 329, 417, 420, 423, 470, 556, 564, 630, 658, 695, 705, 834, 846, 940, 973, 987, 1251, 1260, 1316, 1390, 1410, 1645, 1668, 1692, 1946, 1974, 2085, 2115, 2502, 2780, 2820, 2919, 2961, 3290, 3892, 3948, 4170, 4230, 4865, 4935, 5004, 5838, 5922, 6255, 6533, 6580, 8340, 8460, 8757, 9730, 9870, 11676, 11844, 12510, 13066, 14595, 14805, 17514, 19460, 19599, 19740, 25020, 26132, 29190, 29610, 32665, 35028, 39198, 43785, 45731, 58380, 58797, 59220, 65330, 78396, 87570, 91462, 97995, 117594, 130660, 137193, 175140, 182924, 195990, 228655, 235188, 274386, 293985, 391980, 411579, 457310, 548772, 587970, 685965, 823158, 914620, 1175940, 1371930, 1646316, 2057895, 2743860, 4115790, 8231580]

約数ペア:

[(1, 8231580), (2, 4115790), (3, 2743860), (4, 2057895), (5, 1646316), (6, 1371930), (7, 1175940), (9, 914620), (10, 823158), (12, 685965), (14, 587970), (15, 548772), (18, 457310), (20, 411579), (21, 391980), (28, 293985), (30, 274386), (35, 235188), (36, 228655), (42, 195990), (45, 182924), (47, 175140), (60, 137193), (63, 130660), (70, 117594), (84, 97995), (90, 91462), (94, 87570), (105, 78396), (126, 65330), (139, 59220), (140, 58797), (141, 58380), (180, 45731), (188, 43785), (210, 39198), (235, 35028), (252, 32665), (278, 29610), (282, 29190), (315, 26132), (329, 25020), (417, 19740), (420, 19599), (423, 19460), (470, 17514), (556, 14805), (564, 14595), (630, 13066), (658, 12510), (695, 11844), (705, 11676), (834, 9870), (846, 9730), (940, 8757), (973, 8460), (987, 8340), (1251, 6580), (1260, 6533), (1316, 6255), (1390, 5922), (1410, 5838), (1645, 5004), (1668, 4935), (1692, 4865), (1946, 4230), (1974, 4170), (2085, 3948), (2115, 3892), (2502, 3290), (2780, 2961), (2820, 2919)]