1521258256

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^2$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 3668009280

約数和(自身を除く): 2146751024

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 37, 38, 56, 74, 76, 112, 133, 139, 148, 152, 259, 266, 278, 296, 304, 518, 532, 556, 592, 703, 973, 1036, 1064, 1112, 1406, 1946, 2072, 2128, 2224, 2641, 2812, 3892, 4144, 4921, 5143, 5282, 5624, 7784, 9842, 10286, 10564, 11248, 15568, 18487, 19321, 19684, 20572, 21128, 36001, 36974, 38642, 39368, 41144, 42256, 72002, 73948, 77284, 78736, 82288, 97717, 135247, 144004, 147896, 154568, 195434, 270494, 288008, 295792, 309136, 367099, 390868, 540988, 576016, 684019, 714877, 734198, 781736, 1081976, 1368038, 1429754, 1468396, 1563472, 2163952, 2569693, 2736076, 2859508, 2936792, 5004139, 5139386, 5472152, 5719016, 5873584, 10008278, 10278772, 10944304, 11438032, 13582663, 20016556, 20557544, 27165326, 40033112, 41115088, 54330652, 80066224, 95078641, 108661304, 190157282, 217322608, 380314564, 760629128, 1521258256]

約数ペア:

[(1, 1521258256), (2, 760629128), (4, 380314564), (7, 217322608), (8, 190157282), (14, 108661304), (16, 95078641), (19, 80066224), (28, 54330652), (37, 41115088), (38, 40033112), (56, 27165326), (74, 20557544), (76, 20016556), (112, 13582663), (133, 11438032), (139, 10944304), (148, 10278772), (152, 10008278), (259, 5873584), (266, 5719016), (278, 5472152), (296, 5139386), (304, 5004139), (518, 2936792), (532, 2859508), (556, 2736076), (592, 2569693), (703, 2163952), (973, 1563472), (1036, 1468396), (1064, 1429754), (1112, 1368038), (1406, 1081976), (1946, 781736), (2072, 734198), (2128, 714877), (2224, 684019), (2641, 576016), (2812, 540988), (3892, 390868), (4144, 367099), (4921, 309136), (5143, 295792), (5282, 288008), (5624, 270494), (7784, 195434), (9842, 154568), (10286, 147896), (10564, 144004), (11248, 135247), (15568, 97717), (18487, 82288), (19321, 78736), (19684, 77284), (20572, 73948), (21128, 72002), (36001, 42256), (36974, 41144), (38642, 39368)]