74131470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 229985280

約数和(自身を除く): 155853810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 90, 105, 122, 126, 135, 183, 189, 210, 270, 305, 315, 366, 378, 427, 549, 610, 630, 643, 854, 915, 945, 1098, 1281, 1286, 1647, 1830, 1890, 1929, 2135, 2562, 2745, 3215, 3294, 3843, 3858, 4270, 4501, 5490, 5787, 6405, 6430, 7686, 8235, 9002, 9645, 11529, 11574, 12810, 13503, 16470, 17361, 19215, 19290, 22505, 23058, 27006, 28935, 34722, 38430, 39223, 40509, 45010, 57645, 57870, 67515, 78446, 81018, 86805, 115290, 117669, 121527, 135030, 173610, 196115, 202545, 235338, 243054, 274561, 353007, 392230, 405090, 549122, 588345, 607635, 706014, 823683, 1059021, 1176690, 1215270, 1372805, 1647366, 1765035, 2118042, 2471049, 2745610, 3530070, 4118415, 4942098, 5295105, 7413147, 8236830, 10590210, 12355245, 14826294, 24710490, 37065735, 74131470]

約数ペア:

[(1, 74131470), (2, 37065735), (3, 24710490), (5, 14826294), (6, 12355245), (7, 10590210), (9, 8236830), (10, 7413147), (14, 5295105), (15, 4942098), (18, 4118415), (21, 3530070), (27, 2745610), (30, 2471049), (35, 2118042), (42, 1765035), (45, 1647366), (54, 1372805), (61, 1215270), (63, 1176690), (70, 1059021), (90, 823683), (105, 706014), (122, 607635), (126, 588345), (135, 549122), (183, 405090), (189, 392230), (210, 353007), (270, 274561), (305, 243054), (315, 235338), (366, 202545), (378, 196115), (427, 173610), (549, 135030), (610, 121527), (630, 117669), (643, 115290), (854, 86805), (915, 81018), (945, 78446), (1098, 67515), (1281, 57870), (1286, 57645), (1647, 45010), (1830, 40509), (1890, 39223), (1929, 38430), (2135, 34722), (2562, 28935), (2745, 27006), (3215, 23058), (3294, 22505), (3843, 19290), (3858, 19215), (4270, 17361), (4501, 16470), (5490, 13503), (5787, 12810), (6405, 11574), (6430, 11529), (7686, 9645), (8235, 9002)]