81845190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 252141552

約数和(自身を除く): 170296362

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 67, 70, 90, 98, 105, 126, 134, 147, 201, 210, 245, 277, 294, 315, 335, 402, 441, 469, 490, 554, 603, 630, 670, 735, 831, 882, 938, 1005, 1206, 1385, 1407, 1470, 1662, 1939, 2010, 2205, 2345, 2493, 2770, 2814, 3015, 3283, 3878, 4155, 4221, 4410, 4690, 4986, 5817, 6030, 6566, 7035, 8310, 8442, 9695, 9849, 11634, 12465, 13573, 14070, 16415, 17451, 18559, 19390, 19698, 21105, 24930, 27146, 29085, 29547, 32830, 34902, 37118, 40719, 42210, 49245, 55677, 58170, 59094, 67865, 81438, 87255, 92795, 98490, 111354, 122157, 129913, 135730, 147735, 167031, 174510, 185590, 203595, 244314, 259826, 278385, 295470, 334062, 389739, 407190, 556770, 610785, 649565, 779478, 835155, 909391, 1169217, 1221570, 1299130, 1670310, 1818782, 1948695, 2338434, 2728173, 3897390, 4546955, 5456346, 5846085, 8184519, 9093910, 11692170, 13640865, 16369038, 27281730, 40922595, 81845190]

約数ペア:

[(1, 81845190), (2, 40922595), (3, 27281730), (5, 16369038), (6, 13640865), (7, 11692170), (9, 9093910), (10, 8184519), (14, 5846085), (15, 5456346), (18, 4546955), (21, 3897390), (30, 2728173), (35, 2338434), (42, 1948695), (45, 1818782), (49, 1670310), (63, 1299130), (67, 1221570), (70, 1169217), (90, 909391), (98, 835155), (105, 779478), (126, 649565), (134, 610785), (147, 556770), (201, 407190), (210, 389739), (245, 334062), (277, 295470), (294, 278385), (315, 259826), (335, 244314), (402, 203595), (441, 185590), (469, 174510), (490, 167031), (554, 147735), (603, 135730), (630, 129913), (670, 122157), (735, 111354), (831, 98490), (882, 92795), (938, 87255), (1005, 81438), (1206, 67865), (1385, 59094), (1407, 58170), (1470, 55677), (1662, 49245), (1939, 42210), (2010, 40719), (2205, 37118), (2345, 34902), (2493, 32830), (2770, 29547), (2814, 29085), (3015, 27146), (3283, 24930), (3878, 21105), (4155, 19698), (4221, 19390), (4410, 18559), (4690, 17451), (4986, 16415), (5817, 14070), (6030, 13573), (6566, 12465), (7035, 11634), (8310, 9849), (8442, 9695)]