278942580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2069}}^1$

素因数の和:2198

約数の個数: 144

約数和(自身を含む): 976510080

約数和(自身を除く): 697567500

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, 107, 126, 140, 180, 210, 214, 252, 315, 321, 420, 428, 535, 630, 642, 749, 963, 1070, 1260, 1284, 1498, 1605, 1926, 2069, 2140, 2247, 2996, 3210, 3745, 3852, 4138, 4494, 4815, 6207, 6420, 6741, 7490, 8276, 8988, 9630, 10345, 11235, 12414, 13482, 14483, 14980, 18621, 19260, 20690, 22470, 24828, 26964, 28966, 31035, 33705, 37242, 41380, 43449, 44940, 57932, 62070, 67410, 72415, 74484, 86898, 93105, 124140, 130347, 134820, 144830, 173796, 186210, 217245, 221383, 260694, 289660, 372420, 434490, 442766, 521388, 651735, 664149, 868980, 885532, 1106915, 1303470, 1328298, 1549681, 1992447, 2213830, 2606940, 2656596, 3099362, 3320745, 3984894, 4427660, 4649043, 6198724, 6641490, 7748405, 7969788, 9298086, 9962235, 13282980, 13947129, 15496810, 18596172, 19924470, 23245215, 27894258, 30993620, 39848940, 46490430, 55788516, 69735645, 92980860, 139471290, 278942580]

約数ペア:

[(1, 278942580), (2, 139471290), (3, 92980860), (4, 69735645), (5, 55788516), (6, 46490430), (7, 39848940), (9, 30993620), (10, 27894258), (12, 23245215), (14, 19924470), (15, 18596172), (18, 15496810), (20, 13947129), (21, 13282980), (28, 9962235), (30, 9298086), (35, 7969788), (36, 7748405), (42, 6641490), (45, 6198724), (60, 4649043), (63, 4427660), (70, 3984894), (84, 3320745), (90, 3099362), (105, 2656596), (107, 2606940), (126, 2213830), (140, 1992447), (180, 1549681), (210, 1328298), (214, 1303470), (252, 1106915), (315, 885532), (321, 868980), (420, 664149), (428, 651735), (535, 521388), (630, 442766), (642, 434490), (749, 372420), (963, 289660), (1070, 260694), (1260, 221383), (1284, 217245), (1498, 186210), (1605, 173796), (1926, 144830), (2069, 134820), (2140, 130347), (2247, 124140), (2996, 93105), (3210, 86898), (3745, 74484), (3852, 72415), (4138, 67410), (4494, 62070), (4815, 57932), (6207, 44940), (6420, 43449), (6741, 41380), (7490, 37242), (8276, 33705), (8988, 31035), (9630, 28966), (10345, 26964), (11235, 24828), (12414, 22470), (13482, 20690), (14483, 19260), (14980, 18621)]