168712020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49331}}^1$

素因数の和:49365

約数の個数: 72

約数和(自身を含む): 538705440

約数和(自身を除く): 369993420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 49331, 98662, 147993, 197324, 246655, 295986, 443979, 493310, 591972, 739965, 887958, 937289, 986620, 1479930, 1775916, 1874578, 2219895, 2811867, 2959860, 3749156, 4439790, 4686445, 5623734, 8435601, 8879580, 9372890, 11247468, 14059335, 16871202, 18745780, 28118670, 33742404, 42178005, 56237340, 84356010, 168712020]

約数ペア:

[(1, 168712020), (2, 84356010), (3, 56237340), (4, 42178005), (5, 33742404), (6, 28118670), (9, 18745780), (10, 16871202), (12, 14059335), (15, 11247468), (18, 9372890), (19, 8879580), (20, 8435601), (30, 5623734), (36, 4686445), (38, 4439790), (45, 3749156), (57, 2959860), (60, 2811867), (76, 2219895), (90, 1874578), (95, 1775916), (114, 1479930), (171, 986620), (180, 937289), (190, 887958), (228, 739965), (285, 591972), (342, 493310), (380, 443979), (570, 295986), (684, 246655), (855, 197324), (1140, 147993), (1710, 98662), (3420, 49331)]