1555556940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{58789}}^1$

素因数の和:58821

約数の個数: 144

約数和(自身を含む): 5629730400

約数和(自身を除く): 4074173460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 13230, 26460, 58789, 117578, 176367, 235156, 293945, 352734, 411523, 529101, 587890, 705468, 823046, 881835, 1058202, 1175780, 1234569, 1587303, 1646092, 1763670, 2057615, 2116404, 2469138, 2645505, 2880661, 3174606, 3527340, 3703707, 4115230, 4938276, 5291010, 5761322, 6172845, 6349212, 7407414, 7936515, 8230460, 8641983, 10582020, 11111121, 11522644, 12345690, 14403305, 14814828, 15873030, 17283966, 18518535, 22222242, 24691380, 25925949, 28806610, 31746060, 34567932, 37037070, 43209915, 44444484, 51851898, 55555605, 57613220, 74074140, 77777847, 86419830, 103703796, 111111210, 129629745, 155555694, 172839660, 222222420, 259259490, 311111388, 388889235, 518518980, 777778470, 1555556940]

約数ペア:

[(1, 1555556940), (2, 777778470), (3, 518518980), (4, 388889235), (5, 311111388), (6, 259259490), (7, 222222420), (9, 172839660), (10, 155555694), (12, 129629745), (14, 111111210), (15, 103703796), (18, 86419830), (20, 77777847), (21, 74074140), (27, 57613220), (28, 55555605), (30, 51851898), (35, 44444484), (36, 43209915), (42, 37037070), (45, 34567932), (49, 31746060), (54, 28806610), (60, 25925949), (63, 24691380), (70, 22222242), (84, 18518535), (90, 17283966), (98, 15873030), (105, 14814828), (108, 14403305), (126, 12345690), (135, 11522644), (140, 11111121), (147, 10582020), (180, 8641983), (189, 8230460), (196, 7936515), (210, 7407414), (245, 6349212), (252, 6172845), (270, 5761322), (294, 5291010), (315, 4938276), (378, 4115230), (420, 3703707), (441, 3527340), (490, 3174606), (540, 2880661), (588, 2645505), (630, 2469138), (735, 2116404), (756, 2057615), (882, 1763670), (945, 1646092), (980, 1587303), (1260, 1234569), (1323, 1175780), (1470, 1058202), (1764, 881835), (1890, 823046), (2205, 705468), (2646, 587890), (2940, 529101), (3780, 411523), (4410, 352734), (5292, 293945), (6615, 235156), (8820, 176367), (13230, 117578), (26460, 58789)]