171040640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 435352320

約数和(自身を除く): 264311680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 185, 233, 248, 296, 310, 320, 370, 466, 496, 592, 620, 640, 740, 932, 992, 1147, 1165, 1184, 1240, 1480, 1864, 1984, 2294, 2330, 2368, 2480, 2960, 3728, 3968, 4588, 4660, 4736, 4960, 5735, 5920, 7223, 7456, 8621, 9176, 9320, 9920, 11470, 11840, 14446, 14912, 17242, 18352, 18640, 19840, 22940, 23680, 28892, 29824, 34484, 36115, 36704, 37280, 43105, 45880, 57784, 68968, 72230, 73408, 74560, 86210, 91760, 115568, 137936, 144460, 146816, 149120, 172420, 183520, 231136, 267251, 275872, 288920, 344840, 367040, 462272, 534502, 551744, 577840, 689680, 734080, 924544, 1069004, 1103488, 1155680, 1336255, 1379360, 2138008, 2311360, 2672510, 2758720, 4276016, 4622720, 5345020, 5517440, 8552032, 10690040, 17104064, 21380080, 34208128, 42760160, 85520320, 171040640]

約数ペア:

[(1, 171040640), (2, 85520320), (4, 42760160), (5, 34208128), (8, 21380080), (10, 17104064), (16, 10690040), (20, 8552032), (31, 5517440), (32, 5345020), (37, 4622720), (40, 4276016), (62, 2758720), (64, 2672510), (74, 2311360), (80, 2138008), (124, 1379360), (128, 1336255), (148, 1155680), (155, 1103488), (160, 1069004), (185, 924544), (233, 734080), (248, 689680), (296, 577840), (310, 551744), (320, 534502), (370, 462272), (466, 367040), (496, 344840), (592, 288920), (620, 275872), (640, 267251), (740, 231136), (932, 183520), (992, 172420), (1147, 149120), (1165, 146816), (1184, 144460), (1240, 137936), (1480, 115568), (1864, 91760), (1984, 86210), (2294, 74560), (2330, 73408), (2368, 72230), (2480, 68968), (2960, 57784), (3728, 45880), (3968, 43105), (4588, 37280), (4660, 36704), (4736, 36115), (4960, 34484), (5735, 29824), (5920, 28892), (7223, 23680), (7456, 22940), (8621, 19840), (9176, 18640), (9320, 18352), (9920, 17242), (11470, 14912), (11840, 14446)]