81654430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 180986400

約数和(自身を除く): 99331970

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 55, 58, 65, 110, 121, 130, 143, 145, 179, 242, 286, 290, 319, 358, 377, 605, 638, 715, 754, 895, 1210, 1430, 1573, 1595, 1790, 1885, 1969, 2327, 3146, 3190, 3509, 3770, 3938, 4147, 4654, 5191, 7018, 7865, 8294, 9845, 10382, 11635, 15730, 17545, 19690, 20735, 21659, 23270, 25597, 25955, 35090, 41470, 43318, 45617, 51194, 51910, 57101, 67483, 91234, 108295, 114202, 127985, 134966, 216590, 228085, 255970, 281567, 285505, 337415, 456170, 563134, 571010, 628111, 674830, 742313, 1256222, 1407835, 1484626, 2815670, 3140555, 3711565, 6281110, 7423130, 8165443, 16330886, 40827215, 81654430]

約数ペア:

[(1, 81654430), (2, 40827215), (5, 16330886), (10, 8165443), (11, 7423130), (13, 6281110), (22, 3711565), (26, 3140555), (29, 2815670), (55, 1484626), (58, 1407835), (65, 1256222), (110, 742313), (121, 674830), (130, 628111), (143, 571010), (145, 563134), (179, 456170), (242, 337415), (286, 285505), (290, 281567), (319, 255970), (358, 228085), (377, 216590), (605, 134966), (638, 127985), (715, 114202), (754, 108295), (895, 91234), (1210, 67483), (1430, 57101), (1573, 51910), (1595, 51194), (1790, 45617), (1885, 43318), (1969, 41470), (2327, 35090), (3146, 25955), (3190, 25597), (3509, 23270), (3770, 21659), (3938, 20735), (4147, 19690), (4654, 17545), (5191, 15730), (7018, 11635), (7865, 10382), (8294, 9845)]