81078840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2029}}^1$

素因数の和:2086

約数の個数: 128

約数和(自身を含む): 277704000

約数和(自身を除く): 196625160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1998, 2029, 2220, 2664, 3330, 3996, 4058, 4440, 4995, 6087, 6660, 7992, 8116, 9990, 10145, 12174, 13320, 16232, 18261, 19980, 20290, 24348, 30435, 36522, 39960, 40580, 48696, 54783, 60870, 73044, 75073, 81160, 91305, 109566, 121740, 146088, 150146, 182610, 219132, 225219, 243480, 273915, 300292, 365220, 375365, 438264, 450438, 547830, 600584, 675657, 730440, 750730, 900876, 1095660, 1126095, 1351314, 1501460, 1801752, 2026971, 2191320, 2252190, 2702628, 3002920, 3378285, 4053942, 4504380, 5405256, 6756570, 8107884, 9008760, 10134855, 13513140, 16215768, 20269710, 27026280, 40539420, 81078840]

約数ペア:

[(1, 81078840), (2, 40539420), (3, 27026280), (4, 20269710), (5, 16215768), (6, 13513140), (8, 10134855), (9, 9008760), (10, 8107884), (12, 6756570), (15, 5405256), (18, 4504380), (20, 4053942), (24, 3378285), (27, 3002920), (30, 2702628), (36, 2252190), (37, 2191320), (40, 2026971), (45, 1801752), (54, 1501460), (60, 1351314), (72, 1126095), (74, 1095660), (90, 900876), (108, 750730), (111, 730440), (120, 675657), (135, 600584), (148, 547830), (180, 450438), (185, 438264), (216, 375365), (222, 365220), (270, 300292), (296, 273915), (333, 243480), (360, 225219), (370, 219132), (444, 182610), (540, 150146), (555, 146088), (666, 121740), (740, 109566), (888, 91305), (999, 81160), (1080, 75073), (1110, 73044), (1332, 60870), (1480, 54783), (1665, 48696), (1998, 40580), (2029, 39960), (2220, 36522), (2664, 30435), (3330, 24348), (3996, 20290), (4058, 19980), (4440, 18261), (4995, 16232), (6087, 13320), (6660, 12174), (7992, 10145), (8116, 9990)]