87445120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 242352000

約数和(自身を除く): 154906880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 131, 140, 149, 160, 224, 262, 280, 298, 320, 448, 524, 560, 596, 640, 655, 745, 896, 917, 1043, 1048, 1120, 1192, 1310, 1490, 1834, 2086, 2096, 2240, 2384, 2620, 2980, 3668, 4172, 4192, 4480, 4585, 4768, 5215, 5240, 5960, 7336, 8344, 8384, 9170, 9536, 10430, 10480, 11920, 14672, 16688, 16768, 18340, 19072, 19519, 20860, 20960, 23840, 29344, 33376, 36680, 39038, 41720, 41920, 47680, 58688, 66752, 73360, 78076, 83440, 83840, 95360, 97595, 117376, 133504, 136633, 146720, 156152, 166880, 195190, 273266, 293440, 312304, 333760, 390380, 546532, 586880, 624608, 667520, 683165, 780760, 1093064, 1249216, 1366330, 1561520, 2186128, 2498432, 2732660, 3123040, 4372256, 5465320, 6246080, 8744512, 10930640, 12492160, 17489024, 21861280, 43722560, 87445120]

約数ペア:

[(1, 87445120), (2, 43722560), (4, 21861280), (5, 17489024), (7, 12492160), (8, 10930640), (10, 8744512), (14, 6246080), (16, 5465320), (20, 4372256), (28, 3123040), (32, 2732660), (35, 2498432), (40, 2186128), (56, 1561520), (64, 1366330), (70, 1249216), (80, 1093064), (112, 780760), (128, 683165), (131, 667520), (140, 624608), (149, 586880), (160, 546532), (224, 390380), (262, 333760), (280, 312304), (298, 293440), (320, 273266), (448, 195190), (524, 166880), (560, 156152), (596, 146720), (640, 136633), (655, 133504), (745, 117376), (896, 97595), (917, 95360), (1043, 83840), (1048, 83440), (1120, 78076), (1192, 73360), (1310, 66752), (1490, 58688), (1834, 47680), (2086, 41920), (2096, 41720), (2240, 39038), (2384, 36680), (2620, 33376), (2980, 29344), (3668, 23840), (4172, 20960), (4192, 20860), (4480, 19519), (4585, 19072), (4768, 18340), (5215, 16768), (5240, 16688), (5960, 14672), (7336, 11920), (8344, 10480), (8384, 10430), (9170, 9536)]