31211460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:407

約数の個数: 192

約数和(自身を含む): 116121600

約数和(自身を除く): 84910140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 180, 189, 207, 210, 230, 252, 270, 276, 315, 322, 345, 359, 378, 414, 420, 460, 483, 540, 621, 630, 644, 690, 718, 756, 805, 828, 945, 966, 1035, 1077, 1242, 1260, 1380, 1436, 1449, 1610, 1795, 1890, 1932, 2070, 2154, 2415, 2484, 2513, 2898, 3105, 3220, 3231, 3590, 3780, 4140, 4308, 4347, 4830, 5026, 5385, 5796, 6210, 6462, 7180, 7245, 7539, 8257, 8694, 9660, 9693, 10052, 10770, 12420, 12565, 12924, 14490, 15078, 16155, 16514, 17388, 19386, 21540, 21735, 22617, 24771, 25130, 28980, 30156, 32310, 33028, 37695, 38772, 41285, 43470, 45234, 48465, 49542, 50260, 57799, 64620, 67851, 74313, 75390, 82570, 86940, 90468, 96930, 99084, 113085, 115598, 123855, 135702, 148626, 150780, 165140, 173397, 193860, 222939, 226170, 231196, 247710, 271404, 288995, 297252, 339255, 346794, 371565, 445878, 452340, 495420, 520191, 577990, 678510, 693588, 743130, 866985, 891756, 1040382, 1114695, 1155980, 1357020, 1486260, 1560573, 1733970, 2080764, 2229390, 2600955, 3121146, 3467940, 4458780, 5201910, 6242292, 7802865, 10403820, 15605730, 31211460]

約数ペア:

[(1, 31211460), (2, 15605730), (3, 10403820), (4, 7802865), (5, 6242292), (6, 5201910), (7, 4458780), (9, 3467940), (10, 3121146), (12, 2600955), (14, 2229390), (15, 2080764), (18, 1733970), (20, 1560573), (21, 1486260), (23, 1357020), (27, 1155980), (28, 1114695), (30, 1040382), (35, 891756), (36, 866985), (42, 743130), (45, 693588), (46, 678510), (54, 577990), (60, 520191), (63, 495420), (69, 452340), (70, 445878), (84, 371565), (90, 346794), (92, 339255), (105, 297252), (108, 288995), (115, 271404), (126, 247710), (135, 231196), (138, 226170), (140, 222939), (161, 193860), (180, 173397), (189, 165140), (207, 150780), (210, 148626), (230, 135702), (252, 123855), (270, 115598), (276, 113085), (315, 99084), (322, 96930), (345, 90468), (359, 86940), (378, 82570), (414, 75390), (420, 74313), (460, 67851), (483, 64620), (540, 57799), (621, 50260), (630, 49542), (644, 48465), (690, 45234), (718, 43470), (756, 41285), (805, 38772), (828, 37695), (945, 33028), (966, 32310), (1035, 30156), (1077, 28980), (1242, 25130), (1260, 24771), (1380, 22617), (1436, 21735), (1449, 21540), (1610, 19386), (1795, 17388), (1890, 16514), (1932, 16155), (2070, 15078), (2154, 14490), (2415, 12924), (2484, 12565), (2513, 12420), (2898, 10770), (3105, 10052), (3220, 9693), (3231, 9660), (3590, 8694), (3780, 8257), (4140, 7539), (4308, 7245), (4347, 7180), (4830, 6462), (5026, 6210), (5385, 5796)]