168638340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16631}}^1$

素因数の和:16669

約数の個数: 72

約数和(自身を含む): 511334208

約数和(自身を除く): 342695868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 16631, 33262, 49893, 66524, 83155, 99786, 166310, 199572, 216203, 249465, 332620, 432406, 498930, 648609, 864812, 997860, 1081015, 1297218, 2162030, 2594436, 2810639, 3243045, 4324060, 5621278, 6486090, 8431917, 11242556, 12972180, 14053195, 16863834, 28106390, 33727668, 42159585, 56212780, 84319170, 168638340]

約数ペア:

[(1, 168638340), (2, 84319170), (3, 56212780), (4, 42159585), (5, 33727668), (6, 28106390), (10, 16863834), (12, 14053195), (13, 12972180), (15, 11242556), (20, 8431917), (26, 6486090), (30, 5621278), (39, 4324060), (52, 3243045), (60, 2810639), (65, 2594436), (78, 2162030), (130, 1297218), (156, 1081015), (169, 997860), (195, 864812), (260, 648609), (338, 498930), (390, 432406), (507, 332620), (676, 249465), (780, 216203), (845, 199572), (1014, 166310), (1690, 99786), (2028, 83155), (2535, 66524), (3380, 49893), (5070, 33262), (10140, 16631)]