38781990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 160

約数和(自身を含む): 117089280

約数和(自身を除く): 78307290

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 29, 30, 39, 45, 54, 58, 65, 78, 81, 87, 90, 117, 127, 130, 135, 145, 162, 174, 195, 234, 254, 261, 270, 290, 351, 377, 381, 390, 405, 435, 522, 585, 635, 702, 754, 762, 783, 810, 870, 1053, 1131, 1143, 1170, 1270, 1305, 1566, 1651, 1755, 1885, 1905, 2106, 2262, 2286, 2349, 2610, 3302, 3393, 3429, 3510, 3683, 3770, 3810, 3915, 4698, 4953, 5265, 5655, 5715, 6786, 6858, 7366, 7830, 8255, 9906, 10179, 10287, 10530, 11049, 11310, 11430, 11745, 14859, 16510, 16965, 17145, 18415, 20358, 20574, 22098, 23490, 24765, 29718, 30537, 33147, 33930, 34290, 36830, 44577, 47879, 49530, 50895, 51435, 55245, 61074, 66294, 74295, 89154, 95758, 99441, 101790, 102870, 110490, 133731, 143637, 148590, 152685, 165735, 198882, 222885, 239395, 267462, 287274, 298323, 305370, 331470, 430911, 445770, 478790, 497205, 596646, 668655, 718185, 861822, 994410, 1292733, 1337310, 1436370, 1491615, 2154555, 2585466, 2983230, 3878199, 4309110, 6463665, 7756398, 12927330, 19390995, 38781990]

約数ペア:

[(1, 38781990), (2, 19390995), (3, 12927330), (5, 7756398), (6, 6463665), (9, 4309110), (10, 3878199), (13, 2983230), (15, 2585466), (18, 2154555), (26, 1491615), (27, 1436370), (29, 1337310), (30, 1292733), (39, 994410), (45, 861822), (54, 718185), (58, 668655), (65, 596646), (78, 497205), (81, 478790), (87, 445770), (90, 430911), (117, 331470), (127, 305370), (130, 298323), (135, 287274), (145, 267462), (162, 239395), (174, 222885), (195, 198882), (234, 165735), (254, 152685), (261, 148590), (270, 143637), (290, 133731), (351, 110490), (377, 102870), (381, 101790), (390, 99441), (405, 95758), (435, 89154), (522, 74295), (585, 66294), (635, 61074), (702, 55245), (754, 51435), (762, 50895), (783, 49530), (810, 47879), (870, 44577), (1053, 36830), (1131, 34290), (1143, 33930), (1170, 33147), (1270, 30537), (1305, 29718), (1566, 24765), (1651, 23490), (1755, 22098), (1885, 20574), (1905, 20358), (2106, 18415), (2262, 17145), (2286, 16965), (2349, 16510), (2610, 14859), (3302, 11745), (3393, 11430), (3429, 11310), (3510, 11049), (3683, 10530), (3770, 10287), (3810, 10179), (3915, 9906), (4698, 8255), (4953, 7830), (5265, 7366), (5655, 6858), (5715, 6786)]