61721920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:468

約数の個数: 112

約数和(自身を含む): 162964368

約数和(自身を除く): 101242448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 130, 148, 160, 185, 208, 260, 296, 320, 370, 401, 416, 481, 520, 592, 740, 802, 832, 962, 1040, 1184, 1480, 1604, 1924, 2005, 2080, 2368, 2405, 2960, 3208, 3848, 4010, 4160, 4810, 5213, 5920, 6416, 7696, 8020, 9620, 10426, 11840, 12832, 14837, 15392, 16040, 19240, 20852, 25664, 26065, 29674, 30784, 32080, 38480, 41704, 52130, 59348, 64160, 74185, 76960, 83408, 104260, 118696, 128320, 148370, 153920, 166816, 192881, 208520, 237392, 296740, 333632, 385762, 417040, 474784, 593480, 771524, 834080, 949568, 964405, 1186960, 1543048, 1668160, 1928810, 2373920, 3086096, 3857620, 4747840, 6172192, 7715240, 12344384, 15430480, 30860960, 61721920]

約数ペア:

[(1, 61721920), (2, 30860960), (4, 15430480), (5, 12344384), (8, 7715240), (10, 6172192), (13, 4747840), (16, 3857620), (20, 3086096), (26, 2373920), (32, 1928810), (37, 1668160), (40, 1543048), (52, 1186960), (64, 964405), (65, 949568), (74, 834080), (80, 771524), (104, 593480), (130, 474784), (148, 417040), (160, 385762), (185, 333632), (208, 296740), (260, 237392), (296, 208520), (320, 192881), (370, 166816), (401, 153920), (416, 148370), (481, 128320), (520, 118696), (592, 104260), (740, 83408), (802, 76960), (832, 74185), (962, 64160), (1040, 59348), (1184, 52130), (1480, 41704), (1604, 38480), (1924, 32080), (2005, 30784), (2080, 29674), (2368, 26065), (2405, 25664), (2960, 20852), (3208, 19240), (3848, 16040), (4010, 15392), (4160, 14837), (4810, 12832), (5213, 11840), (5920, 10426), (6416, 9620), (7696, 8020)]