18203010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 53568000

約数和(自身を除く): 35364990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 49, 58, 61, 70, 87, 98, 105, 122, 145, 147, 174, 183, 203, 210, 245, 290, 294, 305, 343, 366, 406, 427, 435, 490, 609, 610, 686, 735, 854, 870, 915, 1015, 1029, 1218, 1281, 1421, 1470, 1715, 1769, 1830, 2030, 2058, 2135, 2562, 2842, 2989, 3045, 3430, 3538, 4263, 4270, 5145, 5307, 5978, 6090, 6405, 7105, 8526, 8845, 8967, 9947, 10290, 10614, 12383, 12810, 14210, 14945, 17690, 17934, 19894, 20923, 21315, 24766, 26535, 29841, 29890, 37149, 41846, 42630, 44835, 49735, 53070, 59682, 61915, 62769, 74298, 86681, 89670, 99470, 104615, 123830, 125538, 149205, 173362, 185745, 209230, 260043, 298410, 313845, 371490, 433405, 520086, 606767, 627690, 866810, 1213534, 1300215, 1820301, 2600430, 3033835, 3640602, 6067670, 9101505, 18203010]

約数ペア:

[(1, 18203010), (2, 9101505), (3, 6067670), (5, 3640602), (6, 3033835), (7, 2600430), (10, 1820301), (14, 1300215), (15, 1213534), (21, 866810), (29, 627690), (30, 606767), (35, 520086), (42, 433405), (49, 371490), (58, 313845), (61, 298410), (70, 260043), (87, 209230), (98, 185745), (105, 173362), (122, 149205), (145, 125538), (147, 123830), (174, 104615), (183, 99470), (203, 89670), (210, 86681), (245, 74298), (290, 62769), (294, 61915), (305, 59682), (343, 53070), (366, 49735), (406, 44835), (427, 42630), (435, 41846), (490, 37149), (609, 29890), (610, 29841), (686, 26535), (735, 24766), (854, 21315), (870, 20923), (915, 19894), (1015, 17934), (1029, 17690), (1218, 14945), (1281, 14210), (1421, 12810), (1470, 12383), (1715, 10614), (1769, 10290), (1830, 9947), (2030, 8967), (2058, 8845), (2135, 8526), (2562, 7105), (2842, 6405), (2989, 6090), (3045, 5978), (3430, 5307), (3538, 5145), (4263, 4270)]