8148140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 23774016

約数和(自身を除く): 15625876

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 37, 44, 52, 55, 65, 70, 74, 77, 91, 110, 121, 130, 140, 143, 148, 154, 182, 185, 220, 242, 259, 260, 286, 308, 364, 370, 385, 407, 455, 481, 484, 518, 572, 605, 715, 740, 770, 814, 847, 910, 962, 1001, 1036, 1210, 1295, 1430, 1540, 1573, 1628, 1694, 1820, 1924, 2002, 2035, 2405, 2420, 2590, 2849, 2860, 3146, 3367, 3388, 4004, 4070, 4235, 4477, 4810, 5005, 5180, 5291, 5698, 6292, 6734, 7865, 8140, 8470, 8954, 9620, 10010, 10582, 11011, 11396, 13468, 14245, 15730, 16835, 16940, 17908, 20020, 21164, 22022, 22385, 26455, 28490, 31339, 31460, 33670, 37037, 44044, 44770, 52910, 55055, 56980, 58201, 62678, 67340, 74074, 89540, 105820, 110110, 116402, 125356, 148148, 156695, 185185, 220220, 232804, 291005, 313390, 370370, 407407, 582010, 626780, 740740, 814814, 1164020, 1629628, 2037035, 4074070, 8148140]

約数ペア:

[(1, 8148140), (2, 4074070), (4, 2037035), (5, 1629628), (7, 1164020), (10, 814814), (11, 740740), (13, 626780), (14, 582010), (20, 407407), (22, 370370), (26, 313390), (28, 291005), (35, 232804), (37, 220220), (44, 185185), (52, 156695), (55, 148148), (65, 125356), (70, 116402), (74, 110110), (77, 105820), (91, 89540), (110, 74074), (121, 67340), (130, 62678), (140, 58201), (143, 56980), (148, 55055), (154, 52910), (182, 44770), (185, 44044), (220, 37037), (242, 33670), (259, 31460), (260, 31339), (286, 28490), (308, 26455), (364, 22385), (370, 22022), (385, 21164), (407, 20020), (455, 17908), (481, 16940), (484, 16835), (518, 15730), (572, 14245), (605, 13468), (715, 11396), (740, 11011), (770, 10582), (814, 10010), (847, 9620), (910, 8954), (962, 8470), (1001, 8140), (1036, 7865), (1210, 6734), (1295, 6292), (1430, 5698), (1540, 5291), (1573, 5180), (1628, 5005), (1694, 4810), (1820, 4477), (1924, 4235), (2002, 4070), (2035, 4004), (2405, 3388), (2420, 3367), (2590, 3146), (2849, 2860)]