638282808

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 256

約数和(自身を含む): 2004480000

約数和(自身を除く): 1366197192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 29, 31, 36, 38, 54, 57, 58, 62, 72, 76, 87, 93, 108, 114, 116, 124, 152, 171, 173, 174, 186, 216, 228, 232, 248, 261, 279, 342, 346, 348, 372, 456, 513, 519, 522, 551, 558, 589, 684, 692, 696, 744, 783, 837, 899, 1026, 1038, 1044, 1102, 1116, 1178, 1368, 1384, 1557, 1566, 1653, 1674, 1767, 1798, 2052, 2076, 2088, 2204, 2232, 2356, 2697, 3114, 3132, 3287, 3306, 3348, 3534, 3596, 4104, 4152, 4408, 4671, 4712, 4959, 5017, 5301, 5363, 5394, 6228, 6264, 6574, 6612, 6696, 7068, 7192, 8091, 9342, 9861, 9918, 10034, 10602, 10726, 10788, 12456, 13148, 13224, 14136, 14877, 15051, 15903, 16089, 16182, 17081, 18684, 19722, 19836, 20068, 21204, 21452, 21576, 24273, 26296, 29583, 29754, 30102, 31806, 32178, 32364, 34162, 37368, 39444, 39672, 40136, 42408, 42904, 45153, 48267, 48546, 51243, 59166, 59508, 60204, 63612, 64356, 64728, 68324, 78888, 88749, 90306, 95323, 96534, 97092, 101897, 102486, 118332, 119016, 120408, 127224, 128712, 135459, 136648, 144801, 153729, 155527, 177498, 180612, 190646, 193068, 194184, 203794, 204972, 236664, 270918, 285969, 289602, 305691, 307458, 311054, 354996, 361224, 381292, 386136, 407588, 409944, 461187, 466581, 541836, 571938, 579204, 611382, 614916, 622108, 709992, 762584, 815176, 857907, 917073, 922374, 933162, 1083672, 1143876, 1158408, 1222764, 1229832, 1244216, 1399743, 1715814, 1834146, 1844748, 1866324, 2287752, 2445528, 2573721, 2751219, 2799486, 2955013, 3431628, 3668292, 3689496, 3732648, 4199229, 5147442, 5502438, 5598972, 5910026, 6863256, 7336584, 8398458, 8865039, 10294884, 11004876, 11197944, 11820052, 16796916, 17730078, 20589768, 22009752, 23640104, 26595117, 33593832, 35460156, 53190234, 70920312, 79785351, 106380468, 159570702, 212760936, 319141404, 638282808]

約数ペア:

[(1, 638282808), (2, 319141404), (3, 212760936), (4, 159570702), (6, 106380468), (8, 79785351), (9, 70920312), (12, 53190234), (18, 35460156), (19, 33593832), (24, 26595117), (27, 23640104), (29, 22009752), (31, 20589768), (36, 17730078), (38, 16796916), (54, 11820052), (57, 11197944), (58, 11004876), (62, 10294884), (72, 8865039), (76, 8398458), (87, 7336584), (93, 6863256), (108, 5910026), (114, 5598972), (116, 5502438), (124, 5147442), (152, 4199229), (171, 3732648), (173, 3689496), (174, 3668292), (186, 3431628), (216, 2955013), (228, 2799486), (232, 2751219), (248, 2573721), (261, 2445528), (279, 2287752), (342, 1866324), (346, 1844748), (348, 1834146), (372, 1715814), (456, 1399743), (513, 1244216), (519, 1229832), (522, 1222764), (551, 1158408), (558, 1143876), (589, 1083672), (684, 933162), (692, 922374), (696, 917073), (744, 857907), (783, 815176), (837, 762584), (899, 709992), (1026, 622108), (1038, 614916), (1044, 611382), (1102, 579204), (1116, 571938), (1178, 541836), (1368, 466581), (1384, 461187), (1557, 409944), (1566, 407588), (1653, 386136), (1674, 381292), (1767, 361224), (1798, 354996), (2052, 311054), (2076, 307458), (2088, 305691), (2204, 289602), (2232, 285969), (2356, 270918), (2697, 236664), (3114, 204972), (3132, 203794), (3287, 194184), (3306, 193068), (3348, 190646), (3534, 180612), (3596, 177498), (4104, 155527), (4152, 153729), (4408, 144801), (4671, 136648), (4712, 135459), (4959, 128712), (5017, 127224), (5301, 120408), (5363, 119016), (5394, 118332), (6228, 102486), (6264, 101897), (6574, 97092), (6612, 96534), (6696, 95323), (7068, 90306), (7192, 88749), (8091, 78888), (9342, 68324), (9861, 64728), (9918, 64356), (10034, 63612), (10602, 60204), (10726, 59508), (10788, 59166), (12456, 51243), (13148, 48546), (13224, 48267), (14136, 45153), (14877, 42904), (15051, 42408), (15903, 40136), (16089, 39672), (16182, 39444), (17081, 37368), (18684, 34162), (19722, 32364), (19836, 32178), (20068, 31806), (21204, 30102), (21452, 29754), (21576, 29583), (24273, 26296)]