138220160

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:518

約数の個数: 128

約数和(自身を含む): 366282000

約数和(自身を除く): 228061840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 260, 296, 320, 370, 416, 449, 481, 520, 592, 640, 740, 832, 898, 962, 1040, 1184, 1480, 1664, 1796, 1924, 2080, 2245, 2368, 2405, 2960, 3592, 3848, 4160, 4490, 4736, 4810, 5837, 5920, 7184, 7696, 8320, 8980, 9620, 11674, 11840, 14368, 15392, 16613, 17960, 19240, 23348, 23680, 28736, 29185, 30784, 33226, 35920, 38480, 46696, 57472, 58370, 61568, 66452, 71840, 76960, 83065, 93392, 116740, 132904, 143680, 153920, 166130, 186784, 215969, 233480, 265808, 287360, 307840, 332260, 373568, 431938, 466960, 531616, 664520, 747136, 863876, 933920, 1063232, 1079845, 1329040, 1727752, 1867840, 2126464, 2159690, 2658080, 3455504, 3735680, 4319380, 5316160, 6911008, 8638760, 10632320, 13822016, 17277520, 27644032, 34555040, 69110080, 138220160]

約数ペア:

[(1, 138220160), (2, 69110080), (4, 34555040), (5, 27644032), (8, 17277520), (10, 13822016), (13, 10632320), (16, 8638760), (20, 6911008), (26, 5316160), (32, 4319380), (37, 3735680), (40, 3455504), (52, 2658080), (64, 2159690), (65, 2126464), (74, 1867840), (80, 1727752), (104, 1329040), (128, 1079845), (130, 1063232), (148, 933920), (160, 863876), (185, 747136), (208, 664520), (260, 531616), (296, 466960), (320, 431938), (370, 373568), (416, 332260), (449, 307840), (481, 287360), (520, 265808), (592, 233480), (640, 215969), (740, 186784), (832, 166130), (898, 153920), (962, 143680), (1040, 132904), (1184, 116740), (1480, 93392), (1664, 83065), (1796, 76960), (1924, 71840), (2080, 66452), (2245, 61568), (2368, 58370), (2405, 57472), (2960, 46696), (3592, 38480), (3848, 35920), (4160, 33226), (4490, 30784), (4736, 29185), (4810, 28736), (5837, 23680), (5920, 23348), (7184, 19240), (7696, 17960), (8320, 16613), (8980, 15392), (9620, 14368), (11674, 11840)]