128439480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{293}}^1$

素因数の和:601

約数の個数: 128

約数和(自身を含む): 417856320

約数和(自身を除く): 289416840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 281, 293, 312, 390, 520, 562, 586, 780, 843, 879, 1124, 1172, 1405, 1465, 1560, 1686, 1758, 2248, 2344, 2810, 2930, 3372, 3516, 3653, 3809, 4215, 4395, 5620, 5860, 6744, 7032, 7306, 7618, 8430, 8790, 10959, 11240, 11427, 11720, 14612, 15236, 16860, 17580, 18265, 19045, 21918, 22854, 29224, 30472, 33720, 35160, 36530, 38090, 43836, 45708, 54795, 57135, 73060, 76180, 82333, 87672, 91416, 109590, 114270, 146120, 152360, 164666, 219180, 228540, 246999, 329332, 411665, 438360, 457080, 493998, 658664, 823330, 987996, 1070329, 1234995, 1646660, 1975992, 2140658, 2469990, 3210987, 3293320, 4281316, 4939980, 5351645, 6421974, 8562632, 9879960, 10703290, 12843948, 16054935, 21406580, 25687896, 32109870, 42813160, 64219740, 128439480]

約数ペア:

[(1, 128439480), (2, 64219740), (3, 42813160), (4, 32109870), (5, 25687896), (6, 21406580), (8, 16054935), (10, 12843948), (12, 10703290), (13, 9879960), (15, 8562632), (20, 6421974), (24, 5351645), (26, 4939980), (30, 4281316), (39, 3293320), (40, 3210987), (52, 2469990), (60, 2140658), (65, 1975992), (78, 1646660), (104, 1234995), (120, 1070329), (130, 987996), (156, 823330), (195, 658664), (260, 493998), (281, 457080), (293, 438360), (312, 411665), (390, 329332), (520, 246999), (562, 228540), (586, 219180), (780, 164666), (843, 152360), (879, 146120), (1124, 114270), (1172, 109590), (1405, 91416), (1465, 87672), (1560, 82333), (1686, 76180), (1758, 73060), (2248, 57135), (2344, 54795), (2810, 45708), (2930, 43836), (3372, 38090), (3516, 36530), (3653, 35160), (3809, 33720), (4215, 30472), (4395, 29224), (5620, 22854), (5860, 21918), (6744, 19045), (7032, 18265), (7306, 17580), (7618, 16860), (8430, 15236), (8790, 14612), (10959, 11720), (11240, 11427)]