187727940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2042

約数の個数: 144

約数和(自身を含む): 622702080

約数和(自身を除く): 434974140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1860, 1979, 2108, 2635, 2790, 3060, 3162, 3958, 4743, 5270, 5580, 5937, 6324, 7905, 7916, 9486, 9895, 10540, 11874, 15810, 17811, 18972, 19790, 23715, 23748, 29685, 31620, 33643, 35622, 39580, 47430, 59370, 61349, 67286, 71244, 89055, 94860, 100929, 118740, 122698, 134572, 168215, 178110, 184047, 201858, 245396, 302787, 306745, 336430, 356220, 368094, 403716, 504645, 552141, 605574, 613490, 672860, 736188, 920235, 1009290, 1042933, 1104282, 1211148, 1226980, 1513935, 1840470, 2018580, 2085866, 2208564, 2760705, 3027870, 3128799, 3680940, 4171732, 5214665, 5521410, 6055740, 6257598, 9386397, 10429330, 11042820, 12515196, 15643995, 18772794, 20858660, 31287990, 37545588, 46931985, 62575980, 93863970, 187727940]

約数ペア:

[(1, 187727940), (2, 93863970), (3, 62575980), (4, 46931985), (5, 37545588), (6, 31287990), (9, 20858660), (10, 18772794), (12, 15643995), (15, 12515196), (17, 11042820), (18, 10429330), (20, 9386397), (30, 6257598), (31, 6055740), (34, 5521410), (36, 5214665), (45, 4171732), (51, 3680940), (60, 3128799), (62, 3027870), (68, 2760705), (85, 2208564), (90, 2085866), (93, 2018580), (102, 1840470), (124, 1513935), (153, 1226980), (155, 1211148), (170, 1104282), (180, 1042933), (186, 1009290), (204, 920235), (255, 736188), (279, 672860), (306, 613490), (310, 605574), (340, 552141), (372, 504645), (465, 403716), (510, 368094), (527, 356220), (558, 336430), (612, 306745), (620, 302787), (765, 245396), (930, 201858), (1020, 184047), (1054, 178110), (1116, 168215), (1395, 134572), (1530, 122698), (1581, 118740), (1860, 100929), (1979, 94860), (2108, 89055), (2635, 71244), (2790, 67286), (3060, 61349), (3162, 59370), (3958, 47430), (4743, 39580), (5270, 35622), (5580, 33643), (5937, 31620), (6324, 29685), (7905, 23748), (7916, 23715), (9486, 19790), (9895, 18972), (10540, 17811), (11874, 15810)]