2005052805

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 256

約数和(自身を含む): 4561920000

約数和(自身を除く): 2556867195

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 43, 45, 49, 53, 57, 63, 95, 105, 129, 133, 135, 147, 159, 171, 189, 215, 245, 265, 285, 301, 315, 343, 371, 387, 399, 441, 477, 513, 645, 665, 735, 795, 817, 855, 903, 931, 945, 1007, 1029, 1113, 1161, 1197, 1323, 1431, 1505, 1715, 1855, 1935, 1995, 2107, 2205, 2279, 2385, 2451, 2565, 2597, 2709, 2793, 3021, 3087, 3339, 3591, 4085, 4515, 4655, 5035, 5145, 5565, 5719, 5805, 5985, 6321, 6517, 6615, 6837, 7049, 7155, 7353, 7791, 8127, 8379, 9063, 9261, 10017, 10535, 11395, 12255, 12985, 13545, 13965, 14749, 15105, 15435, 15953, 16695, 17157, 17955, 18179, 18963, 19551, 20511, 21147, 22059, 23373, 25137, 27189, 28595, 31605, 32585, 34185, 35245, 36765, 38955, 40033, 40635, 41895, 43301, 44247, 45315, 46305, 47859, 49343, 50085, 51471, 54537, 56889, 58653, 61533, 63441, 70119, 73745, 79765, 85785, 90895, 94815, 97755, 102555, 105735, 110295, 111671, 116865, 120099, 125685, 129903, 132741, 135945, 143577, 148029, 154413, 163611, 175959, 190323, 200165, 216505, 221235, 239295, 246715, 257355, 272685, 280231, 284445, 293265, 303107, 307665, 317205, 335013, 345401, 350595, 360297, 389709, 398223, 430731, 444087, 490833, 558355, 600495, 649515, 663705, 717885, 740145, 772065, 781697, 818055, 840693, 879795, 909321, 951615, 1005039, 1036203, 1080891, 1169127, 1332261, 1401155, 1515535, 1675065, 1727005, 1801485, 1948545, 1991115, 2121749, 2153655, 2220435, 2345091, 2454165, 2522079, 2727963, 3015117, 3108609, 3908485, 4203465, 4546605, 5025195, 5181015, 5404455, 5845635, 6365247, 6661305, 7035273, 7566237, 8183889, 9325827, 10608745, 11725455, 12610395, 13639815, 14852243, 15075585, 15543045, 19095741, 21105819, 31826235, 35176365, 37831185, 40919445, 44556729, 46629135, 57287223, 74261215, 95478705, 105529095, 133670187, 222783645, 286436115, 401010561, 668350935, 2005052805]

約数ペア:

[(1, 2005052805), (3, 668350935), (5, 401010561), (7, 286436115), (9, 222783645), (15, 133670187), (19, 105529095), (21, 95478705), (27, 74261215), (35, 57287223), (43, 46629135), (45, 44556729), (49, 40919445), (53, 37831185), (57, 35176365), (63, 31826235), (95, 21105819), (105, 19095741), (129, 15543045), (133, 15075585), (135, 14852243), (147, 13639815), (159, 12610395), (171, 11725455), (189, 10608745), (215, 9325827), (245, 8183889), (265, 7566237), (285, 7035273), (301, 6661305), (315, 6365247), (343, 5845635), (371, 5404455), (387, 5181015), (399, 5025195), (441, 4546605), (477, 4203465), (513, 3908485), (645, 3108609), (665, 3015117), (735, 2727963), (795, 2522079), (817, 2454165), (855, 2345091), (903, 2220435), (931, 2153655), (945, 2121749), (1007, 1991115), (1029, 1948545), (1113, 1801485), (1161, 1727005), (1197, 1675065), (1323, 1515535), (1431, 1401155), (1505, 1332261), (1715, 1169127), (1855, 1080891), (1935, 1036203), (1995, 1005039), (2107, 951615), (2205, 909321), (2279, 879795), (2385, 840693), (2451, 818055), (2565, 781697), (2597, 772065), (2709, 740145), (2793, 717885), (3021, 663705), (3087, 649515), (3339, 600495), (3591, 558355), (4085, 490833), (4515, 444087), (4655, 430731), (5035, 398223), (5145, 389709), (5565, 360297), (5719, 350595), (5805, 345401), (5985, 335013), (6321, 317205), (6517, 307665), (6615, 303107), (6837, 293265), (7049, 284445), (7155, 280231), (7353, 272685), (7791, 257355), (8127, 246715), (8379, 239295), (9063, 221235), (9261, 216505), (10017, 200165), (10535, 190323), (11395, 175959), (12255, 163611), (12985, 154413), (13545, 148029), (13965, 143577), (14749, 135945), (15105, 132741), (15435, 129903), (15953, 125685), (16695, 120099), (17157, 116865), (17955, 111671), (18179, 110295), (18963, 105735), (19551, 102555), (20511, 97755), (21147, 94815), (22059, 90895), (23373, 85785), (25137, 79765), (27189, 73745), (28595, 70119), (31605, 63441), (32585, 61533), (34185, 58653), (35245, 56889), (36765, 54537), (38955, 51471), (40033, 50085), (40635, 49343), (41895, 47859), (43301, 46305), (44247, 45315)]