87278940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{613}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 305742528

約数和(自身を除く): 218463588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 113, 126, 140, 180, 210, 226, 252, 315, 339, 420, 452, 565, 613, 630, 678, 791, 1017, 1130, 1226, 1260, 1356, 1582, 1695, 1839, 2034, 2260, 2373, 2452, 3065, 3164, 3390, 3678, 3955, 4068, 4291, 4746, 5085, 5517, 6130, 6780, 7119, 7356, 7910, 8582, 9195, 9492, 10170, 11034, 11865, 12260, 12873, 14238, 15820, 17164, 18390, 20340, 21455, 22068, 23730, 25746, 27585, 28476, 35595, 36780, 38619, 42910, 47460, 51492, 55170, 64365, 69269, 71190, 77238, 85820, 110340, 128730, 138538, 142380, 154476, 193095, 207807, 257460, 277076, 346345, 386190, 415614, 484883, 623421, 692690, 772380, 831228, 969766, 1039035, 1246842, 1385380, 1454649, 1939532, 2078070, 2424415, 2493684, 2909298, 3117105, 4156140, 4363947, 4848830, 5818596, 6234210, 7273245, 8727894, 9697660, 12468420, 14546490, 17455788, 21819735, 29092980, 43639470, 87278940]

約数ペア:

[(1, 87278940), (2, 43639470), (3, 29092980), (4, 21819735), (5, 17455788), (6, 14546490), (7, 12468420), (9, 9697660), (10, 8727894), (12, 7273245), (14, 6234210), (15, 5818596), (18, 4848830), (20, 4363947), (21, 4156140), (28, 3117105), (30, 2909298), (35, 2493684), (36, 2424415), (42, 2078070), (45, 1939532), (60, 1454649), (63, 1385380), (70, 1246842), (84, 1039035), (90, 969766), (105, 831228), (113, 772380), (126, 692690), (140, 623421), (180, 484883), (210, 415614), (226, 386190), (252, 346345), (315, 277076), (339, 257460), (420, 207807), (452, 193095), (565, 154476), (613, 142380), (630, 138538), (678, 128730), (791, 110340), (1017, 85820), (1130, 77238), (1226, 71190), (1260, 69269), (1356, 64365), (1582, 55170), (1695, 51492), (1839, 47460), (2034, 42910), (2260, 38619), (2373, 36780), (2452, 35595), (3065, 28476), (3164, 27585), (3390, 25746), (3678, 23730), (3955, 22068), (4068, 21455), (4291, 20340), (4746, 18390), (5085, 17164), (5517, 15820), (6130, 14238), (6780, 12873), (7119, 12260), (7356, 11865), (7910, 11034), (8582, 10170), (9195, 9492)]