81590850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:393

約数の個数: 144

約数和(自身を含む): 244430784

約数和(自身を除く): 162839934

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 53, 55, 66, 75, 90, 99, 106, 110, 150, 159, 165, 198, 225, 265, 275, 311, 318, 330, 450, 477, 495, 530, 550, 583, 622, 795, 825, 933, 954, 990, 1166, 1325, 1555, 1590, 1650, 1749, 1866, 2385, 2475, 2650, 2799, 2915, 3110, 3421, 3498, 3975, 4665, 4770, 4950, 5247, 5598, 5830, 6842, 7775, 7950, 8745, 9330, 10263, 10494, 11925, 13995, 14575, 15550, 16483, 17105, 17490, 20526, 23325, 23850, 26235, 27990, 29150, 30789, 32966, 34210, 43725, 46650, 49449, 51315, 52470, 61578, 69975, 82415, 85525, 87450, 98898, 102630, 131175, 139950, 148347, 153945, 164830, 171050, 181313, 247245, 256575, 262350, 296694, 307890, 362626, 412075, 494490, 513150, 543939, 741735, 769725, 824150, 906565, 1087878, 1236225, 1483470, 1539450, 1631817, 1813130, 2472450, 2719695, 3263634, 3708675, 4532825, 5439390, 7417350, 8159085, 9065650, 13598475, 16318170, 27196950, 40795425, 81590850]

約数ペア:

[(1, 81590850), (2, 40795425), (3, 27196950), (5, 16318170), (6, 13598475), (9, 9065650), (10, 8159085), (11, 7417350), (15, 5439390), (18, 4532825), (22, 3708675), (25, 3263634), (30, 2719695), (33, 2472450), (45, 1813130), (50, 1631817), (53, 1539450), (55, 1483470), (66, 1236225), (75, 1087878), (90, 906565), (99, 824150), (106, 769725), (110, 741735), (150, 543939), (159, 513150), (165, 494490), (198, 412075), (225, 362626), (265, 307890), (275, 296694), (311, 262350), (318, 256575), (330, 247245), (450, 181313), (477, 171050), (495, 164830), (530, 153945), (550, 148347), (583, 139950), (622, 131175), (795, 102630), (825, 98898), (933, 87450), (954, 85525), (990, 82415), (1166, 69975), (1325, 61578), (1555, 52470), (1590, 51315), (1650, 49449), (1749, 46650), (1866, 43725), (2385, 34210), (2475, 32966), (2650, 30789), (2799, 29150), (2915, 27990), (3110, 26235), (3421, 23850), (3498, 23325), (3975, 20526), (4665, 17490), (4770, 17105), (4950, 16483), (5247, 15550), (5598, 14575), (5830, 13995), (6842, 11925), (7775, 10494), (7950, 10263), (8745, 9330)]