61640520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13883}}^1$

素因数の和:13934

約数の個数: 64

約数和(自身を含む): 189933120

約数和(自身を除く): 128292600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 13883, 27766, 41649, 55532, 69415, 83298, 111064, 138830, 166596, 208245, 277660, 333192, 416490, 513671, 555320, 832980, 1027342, 1541013, 1665960, 2054684, 2568355, 3082026, 4109368, 5136710, 6164052, 7705065, 10273420, 12328104, 15410130, 20546840, 30820260, 61640520]

約数ペア:

[(1, 61640520), (2, 30820260), (3, 20546840), (4, 15410130), (5, 12328104), (6, 10273420), (8, 7705065), (10, 6164052), (12, 5136710), (15, 4109368), (20, 3082026), (24, 2568355), (30, 2054684), (37, 1665960), (40, 1541013), (60, 1027342), (74, 832980), (111, 555320), (120, 513671), (148, 416490), (185, 333192), (222, 277660), (296, 208245), (370, 166596), (444, 138830), (555, 111064), (740, 83298), (888, 69415), (1110, 55532), (1480, 41649), (2220, 27766), (4440, 13883)]