71378820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:816

約数の個数: 144

約数和(自身を含む): 236658240

約数和(自身を除く): 165279420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 773, 810, 855, 972, 1026, 1140, 1215, 1539, 1546, 1620, 1710, 2052, 2319, 2430, 2565, 3078, 3092, 3420, 3865, 4617, 4638, 4860, 5130, 6156, 6957, 7695, 7730, 9234, 9276, 10260, 11595, 13914, 14687, 15390, 15460, 18468, 20871, 23085, 23190, 27828, 29374, 30780, 34785, 41742, 44061, 46170, 46380, 58748, 62613, 69570, 73435, 83484, 88122, 92340, 104355, 125226, 132183, 139140, 146870, 176244, 187839, 208710, 220305, 250452, 264366, 293740, 313065, 375678, 396549, 417420, 440610, 528732, 626130, 660915, 751356, 793098, 881220, 939195, 1189647, 1252260, 1321830, 1586196, 1878390, 1982745, 2379294, 2643660, 3568941, 3756780, 3965490, 4758588, 5948235, 7137882, 7930980, 11896470, 14275764, 17844705, 23792940, 35689410, 71378820]

約数ペア:

[(1, 71378820), (2, 35689410), (3, 23792940), (4, 17844705), (5, 14275764), (6, 11896470), (9, 7930980), (10, 7137882), (12, 5948235), (15, 4758588), (18, 3965490), (19, 3756780), (20, 3568941), (27, 2643660), (30, 2379294), (36, 1982745), (38, 1878390), (45, 1586196), (54, 1321830), (57, 1252260), (60, 1189647), (76, 939195), (81, 881220), (90, 793098), (95, 751356), (108, 660915), (114, 626130), (135, 528732), (162, 440610), (171, 417420), (180, 396549), (190, 375678), (228, 313065), (243, 293740), (270, 264366), (285, 250452), (324, 220305), (342, 208710), (380, 187839), (405, 176244), (486, 146870), (513, 139140), (540, 132183), (570, 125226), (684, 104355), (773, 92340), (810, 88122), (855, 83484), (972, 73435), (1026, 69570), (1140, 62613), (1215, 58748), (1539, 46380), (1546, 46170), (1620, 44061), (1710, 41742), (2052, 34785), (2319, 30780), (2430, 29374), (2565, 27828), (3078, 23190), (3092, 23085), (3420, 20871), (3865, 18468), (4617, 15460), (4638, 15390), (4860, 14687), (5130, 13914), (6156, 11595), (6957, 10260), (7695, 9276), (7730, 9234)]