164030020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 144

約数和(自身を含む): 452600064

約数和(自身を除く): 288570044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 121, 140, 154, 161, 220, 230, 242, 253, 308, 322, 385, 421, 460, 484, 506, 605, 644, 770, 805, 842, 847, 1012, 1210, 1265, 1540, 1610, 1684, 1694, 1771, 2105, 2420, 2530, 2783, 2947, 3220, 3388, 3542, 4210, 4235, 4631, 5060, 5566, 5894, 7084, 8420, 8470, 8855, 9262, 9683, 11132, 11788, 13915, 14735, 16940, 17710, 18524, 19366, 19481, 23155, 27830, 29470, 32417, 35420, 38732, 38962, 46310, 48415, 50941, 55660, 58940, 64834, 67781, 77924, 92620, 96830, 97405, 101882, 106513, 129668, 135562, 162085, 193660, 194810, 203764, 213026, 254705, 271124, 324170, 338905, 356587, 389620, 426052, 509410, 532565, 648340, 677810, 713174, 745591, 1018820, 1065130, 1171643, 1355620, 1426348, 1491182, 1782935, 2130260, 2343286, 2982364, 3565870, 3727955, 4686572, 5858215, 7131740, 7455910, 8201501, 11716430, 14911820, 16403002, 23432860, 32806004, 41007505, 82015010, 164030020]

約数ペア:

[(1, 164030020), (2, 82015010), (4, 41007505), (5, 32806004), (7, 23432860), (10, 16403002), (11, 14911820), (14, 11716430), (20, 8201501), (22, 7455910), (23, 7131740), (28, 5858215), (35, 4686572), (44, 3727955), (46, 3565870), (55, 2982364), (70, 2343286), (77, 2130260), (92, 1782935), (110, 1491182), (115, 1426348), (121, 1355620), (140, 1171643), (154, 1065130), (161, 1018820), (220, 745591), (230, 713174), (242, 677810), (253, 648340), (308, 532565), (322, 509410), (385, 426052), (421, 389620), (460, 356587), (484, 338905), (506, 324170), (605, 271124), (644, 254705), (770, 213026), (805, 203764), (842, 194810), (847, 193660), (1012, 162085), (1210, 135562), (1265, 129668), (1540, 106513), (1610, 101882), (1684, 97405), (1694, 96830), (1771, 92620), (2105, 77924), (2420, 67781), (2530, 64834), (2783, 58940), (2947, 55660), (3220, 50941), (3388, 48415), (3542, 46310), (4210, 38962), (4235, 38732), (4631, 35420), (5060, 32417), (5566, 29470), (5894, 27830), (7084, 23155), (8420, 19481), (8470, 19366), (8855, 18524), (9262, 17710), (9683, 16940), (11132, 14735), (11788, 13915)]