167428380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20981}}^1$

素因数の和:21019

約数の個数: 96

約数和(自身を含む): 563996160

約数和(自身を除く): 396567780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 20981, 41962, 62943, 83924, 104905, 125886, 146867, 209810, 251772, 293734, 314715, 398639, 419620, 440601, 587468, 629430, 734335, 797278, 881202, 1195917, 1258860, 1468670, 1594556, 1762404, 1993195, 2203005, 2391834, 2790473, 2937340, 3986390, 4406010, 4783668, 5580946, 5979585, 7972780, 8371419, 8812020, 11161892, 11959170, 13952365, 16742838, 23918340, 27904730, 33485676, 41857095, 55809460, 83714190, 167428380]

約数ペア:

[(1, 167428380), (2, 83714190), (3, 55809460), (4, 41857095), (5, 33485676), (6, 27904730), (7, 23918340), (10, 16742838), (12, 13952365), (14, 11959170), (15, 11161892), (19, 8812020), (20, 8371419), (21, 7972780), (28, 5979585), (30, 5580946), (35, 4783668), (38, 4406010), (42, 3986390), (57, 2937340), (60, 2790473), (70, 2391834), (76, 2203005), (84, 1993195), (95, 1762404), (105, 1594556), (114, 1468670), (133, 1258860), (140, 1195917), (190, 881202), (210, 797278), (228, 734335), (266, 629430), (285, 587468), (380, 440601), (399, 419620), (420, 398639), (532, 314715), (570, 293734), (665, 251772), (798, 209810), (1140, 146867), (1330, 125886), (1596, 104905), (1995, 83924), (2660, 62943), (3990, 41962), (7980, 20981)]