175140

素因数分解:

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

素因数の和:161

約数の個数: 72

約数和(自身を含む): 611520

約数和(自身を除く): 436380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 139, 140, 180, 210, 252, 278, 315, 417, 420, 556, 630, 695, 834, 973, 1251, 1260, 1390, 1668, 1946, 2085, 2502, 2780, 2919, 3892, 4170, 4865, 5004, 5838, 6255, 8340, 8757, 9730, 11676, 12510, 14595, 17514, 19460, 25020, 29190, 35028, 43785, 58380, 87570, 175140]

約数ペア:

[(1, 175140), (2, 87570), (3, 58380), (4, 43785), (5, 35028), (6, 29190), (7, 25020), (9, 19460), (10, 17514), (12, 14595), (14, 12510), (15, 11676), (18, 9730), (20, 8757), (21, 8340), (28, 6255), (30, 5838), (35, 5004), (36, 4865), (42, 4170), (45, 3892), (60, 2919), (63, 2780), (70, 2502), (84, 2085), (90, 1946), (105, 1668), (126, 1390), (139, 1260), (140, 1251), (180, 973), (210, 834), (252, 695), (278, 630), (315, 556), (417, 420)]